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Complementary and alternative medicine

According to the Public Health Agency of Canada, more than 70 per cent of Canadians regularly use alternative health care therapies such as chiropractic care, yoga, acupuncture, vitamins and minerals, herbal products and homeopathic medicines. New research on complementary and alternative medicine continues to emerge. Read more about the latest evidence below.

Acupuncture: An effective treatment for chronic headaches
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3 alternative options for pain relief
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Struggling to lose weight? Mindfulness may be the solution
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176 Show All 67Blog Posts 42Evidence Summaries 67Web Resource Ratings 1Patient Decision Aids

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  • Evidence Summary

    Gamified smartphone apps may increase physical activity levels

    Rating 5 out of 5 stars
    American Journal of Preventive Medicine (2021)
  • Evidence Summary

    Calcium supplementation for prevention of primary hypertension

    Rating 5 out of 5 stars
    Cochrane Database Syst Rev (2021)
  • Evidence Summary

    Nutritional strategies can improve body composition in underweight and overweight older adults

    Rating 5 out of 5 stars
    JBI Database of Systematic Reviews and Implementation Reports (2016)
  • Evidence Summary

    Antioxidant vitamin and mineral supplements for preventing age-related macular degeneration

    Rating 5 out of 5 stars
    Cochrane Database of Systematic Reviews (2012)
  • Evidence Summary

    Tai Chi can improve cognitive function in older adults with cognitive impairment and healthy older adults

    Rating 5 out of 5 stars
    Journal of the American Geriatrics Society (2014)
  • Evidence Summary

    Tai Chi appears to significantly reduce depressive symptoms in older adults

    Rating 5 out of 5 stars
    Geriatrics and Gerontology International (2013)
  • Evidence Summary

    Vitamin D supplementation may decrease the risk of falls in some older adults

    Rating 4 out of 5 stars
    BMC Geriatrics (2024)
  • Evidence Summary

    Forest therapy may reduce blood pressure and stress in people living in urban settings

    Rating 4 out of 5 stars
    International Journal of Environmental Research and Public Health (2022)
  • Evidence Summary

    Horticultural therapy may improve physical and emotional health outcomes in older adults

    Rating 4 out of 5 stars
    Plos One (2022)
  • Evidence Summary

    Vitamin D supplementation of 1000 IU or more per day may reduce the risk of type 2 diabetes in patients with prediabetes

    Rating 4 out of 5 stars
    The Journal of Clinical Endocrinology and Metabolism (2020)
  • Evidence Summary

    Music-based strategies may improve sleep quality in older adults

    Rating 4 out of 5 stars
    Complementary Therapies in Medicine (2021)
  • Evidence Summary

    Pilates may improve muscle strength and balance in older adults

    Rating 4 out of 5 stars
    Preventive Medicine (2015)
  • Evidence Summary

    Echinacea may help to slightly reduce the risk of getting an upper respiratory tract infection, but does not decrease length of illness

    Rating 4 out of 5 stars
    Complementary Therapies in Medicine (2019)
  • Evidence Summary

    Taking probiotic or prebiotic supplements before receiving specific influenza vaccines can improve the protective effects of the vaccines in adults

    Rating 4 out of 5 stars
    Nutrients (2017)
  • Evidence Summary

    Traditional Chinese medicine-based exercises tai chi and ba duan jin may improve biomedical and psychosocial well-being in adults with type 2 diabetes

    Rating 4 out of 5 stars
    International Journal of Nursing Studies (2018)
  • Evidence Summary

    Vitamin D supplementation can improve blood sugar control among some people living with type 2 diabetes

    Rating 4 out of 5 stars
    Metabolism: Clinical & Experimental (2017)
  • Evidence Summary

    Tai Chi reduces falls in older people and people who are at higher risk of falling

    Rating 4 out of 5 stars
    J Am Geriatr Soc (2017)
  • Evidence Summary

    Mindfulness training helps decrease impulsive and binge eating and increase physical activity

    Rating 4 out of 5 stars
    Obesity Research and Clinical Practice (2016)
  • Evidence Summary

    Yoga treatment for chronic non-specific low back pain.

    Rating 4 out of 5 stars
    Cochrane Database Syst Rev (2017)
  • Evidence Summary

    Acupuncture for the prevention of episodic migraine.

    Rating 4 out of 5 stars
    Cochrane Database Syst Rev (2016)
  • Evidence Summary

    Herbal medicine for low-back pain.

    Rating 4 out of 5 stars
    Cochrane Database Syst Rev (2014)
  • Evidence Summary

    Acupuncture for the prevention of tension-type headache.

    Rating 4 out of 5 stars
    Cochrane Database Syst Rev (2016)
  • Evidence Summary

    Acupuncture for neck disorders.

    Rating 4 out of 5 stars
    Cochrane Database Syst Rev (2016)
  • Evidence Summary

    Vitamin E for Alzheimer's dementia and mild cognitive impairment

    Rating 4 out of 5 stars
    Cochrane Database of Systematic Reviews (2012)
  • Evidence Summary

    Antioxidant vitamin supplementation for preventing and slowing the progression of age-related cataract

    Rating 4 out of 5 stars
    Cochrane Database of Systematic Reviews (2012)
  • Evidence Summary

    Nicotine replacement therapy for smoking cessation

    Rating 4 out of 5 stars
    Cochrane Database of Systematic Reviews (2012)
  • Evidence Summary

    Effect of cocoa on blood pressure

    Rating 4 out of 5 stars
    Cochrane Database of Systematic Reviews (2012)
  • Evidence Summary

    Chondroitin for osteoarthritis.

    Rating 4 out of 5 stars
    Cochrane Database Syst Rev (2015)
  • Evidence Summary

    Mindfulness-based cognitive therapy improves depression and anxiety, decreases relapse in patients with mental disorders

    Rating 4 out of 5 stars
    Journal of Research in Nursing (2013)
  • Evidence Summary

    In people with cancer, music therapy reduces anxiety, depression, pain, and fatigue

    Rating 4 out of 5 stars
    Cancer Nurs (2014)
  • Evidence Summary

    In people with, or at risk of, heart disease, fatty acid supplements do not prevent heart attacks or death

    Rating 4 out of 5 stars
    Ann Intern Med (2014)
  • Evidence Summary

    Playing music in nursing homes may reduce resistance to care among older adults with dementia

    Rating 4 out of 5 stars
    Journal of Advanced Nursing (2014 Apr 16)
  • Evidence Summary

    Physical exercise interventions may improve walking speed and physical functioning measures in frail older adults

    Rating 4 out of 5 stars
    Archives of Physical Medicine & Rehabilitation (2014)
  • Evidence Summary

    In people with mild cognitive impairment, cholinesterase inhibitors do not prevent dementia

    Rating 4 out of 5 stars
    Br J Psychiatry (2013)
  • Evidence Summary

    Yoga reduces pain and disability at up to 1 year in people with low back pain

    Rating 4 out of 5 stars
    Clin J Pain (2013)
  • Evidence Summary

    For people prescribed antibiotics, probiotics (compared with no treatment or placebo) reduce the risk of getting C. difficile-associated diarrhea without causing important side effects

    Rating 4 out of 5 stars
    Ann Intern Med (2012)
  • Evidence Summary

    Music interventions for acquired brain injury.

    Rating 3 out of 5 stars
    Cochrane Database Syst Rev (2017)
  • Evidence Summary

    Acupuncture improves functioning and provides short-term relief of knee pain due to osteoarthritis

    Rating 3 out of 5 stars
    J Bone Joint Surg Am (2016)
  • Evidence Summary

    Music interventions for improving psychological and physical outcomes in cancer patients.

    Rating 3 out of 5 stars
    Cochrane Database Syst Rev (2016)
  • Evidence Summary

    Tai Chi for chronic obstructive pulmonary disease (COPD).

    Rating 3 out of 5 stars
    Cochrane Database Syst Rev (2016)
  • Evidence Summary

    Yoga for the primary prevention of cardiovascular disease.

    Rating 3 out of 5 stars
    Cochrane Database Syst Rev (2014)
  • Evidence Summary

    Vitamin C does not prevent the common cold but may reduce its duration and severity

    Rating 3 out of 5 stars
    Cochrane Database Syst Rev (2013)
  • Blog Post

    Engaging in the arts to improve mental well-being

    Research explores the effects of group art-based programs on depressive symptoms.
  • Blog Post

    3 evidence-based benefits of tai chi

    “Meditation in motion!” Research investigates the effectiveness of tai chi on various areas of health and well-being.
  • Blog Post

    3 outdoor activities and their effects on our health

    Looking for outdoor activities that can improve your health? Learn what walking, guided gardening, and forest therapy have to offer.
  • Blog Post

    Supplements for falls prevention: What role can vitamin D and calcium play?

    Research looks into whether vitamin D and calcium supplementation are effective for fall prevention.
  • Blog Post

    Being one with nature: The effects of forest therapy

    Is nature calling us back? Research looks at the health benefits of forest therapy.
  • Blog Post

    Fact or fiction: The impact of vitamin D on 3 common diseases

    Research tackles whether vitamin D is an effective option for the treatment or prevention of 3 common diseases.
  • Blog Post

    Finding success with non-drug strategies: 3 common diseases and conditions that can benefit

    Research points to various diseases and conditions that can benefit from non-drug strategies.
  • Blog Post

    Living with dementia: Non-drug options for pain management

    Pain reduction in people living with dementia. Non-drug options may be a good first step.
  • Blog Post

    Is vitamin D effective for mild to moderate asthma? It appears not!

    Stay up to date! New research reverses initial finding of the positive impact of vitamin D use in people with mild to moderate asthma on severe asthma attacks.
  • Blog Post

    Let the music play: The role of music in cancer care

    Research shows that music-based strategies may have the potential to improve many physical and psychological outcomes in adults with cancer.
  • Blog Post

    Reviewing conservative treatments for urinary incontinence in women

    Can women lean on conservative treatments for urinary incontinence? Research highlights where the evidence lies for different options.
  • Blog Post

    Probing probiotics: 3 evidence-based benefits related to their use

    From digestive to respiratory health, research highlights the potential benefits of probiotics.
  • Blog Post

    Preventing acute upper respiratory tract infections with probiotics?

    Looking to avoid an acute upper respiratory tract infection? Research provides insight on probiotics as a preventative strategy.
  • Blog Post

    “Sweet dreams are made of these?” 3 strategies that aim to improve sleep

    Sleep and sleep quality play an important role in keeping us healthy. There are multiple strategies that aim to help us sleep longer or better; research sheds light on which ones are effective and which ones we may want to pass on.
  • Blog Post

    Digestive health: 3 strategies to either do or not

    Research highlights effective strategies and points of caution around treating specific digestive health issues.
  • Blog Post

    Caring for the skin you are in: What works?

    Get your “skin in the game,” literally! Research shows that different non-drug topical treatments are available and may be beneficial for improving the health of your skin.
  • Blog Post

    6 evidence-based strategies for reducing blood pressure

    Looking for strategies to help you reduce your blood pressure or keep it in check? From lowering your salt intake to supplements, multiple strategies are available to increase your chance of success.
  • Blog Post

    Can calcium supplementation reduce the risk of high blood pressure?

    Looking to prevent high blood pressure? Research demonstrates that increasing calcium intake, namely through supplements, has a role to play.
  • Blog Post

    Horticultural therapy: Are there benefits to guided gardening?

    Happy gardening! Research shows that horticultural therapy may hold physical and emotional health benefits.
  • Blog Post

    Preventing type 2 diabetes with the “sunshine” vitamin?

    Prevention, prevention, prevention. Can vitamin D supplementation help keep type 2 diabetes at bay? Research findings appear to be positive for certain populations.
  • Blog Post

    Preventing lung cancer: Do supplements have a role to play?

    Research highlights the lack of effectiveness and safety concerns associated with the use of supplements for lung cancer prevention.
  • Blog Post

    ‘Behind the Music’: Music-making for cognitive health

    Do you or a loved one live with cognitive impairment or dementia? You may want to try or consider music-making therapy. Preliminary research shows benefits for cognitive function.
  • Blog Post

    Turning on the tunes: 3 evidence-based benefits of music

    Do, Re, Mi, Fa, Sol, La, Ti, Do! Research lends support to the use of music for improving our mental and physical health.
  • Blog Post

    Looking to catch some quality zzz’s? Let’s talk music!

    They say if "you snooze, you lose”. But getting enough sleep, as well as good quality sleep, is important for our mental health, cognitive health, and physical health. Some evidence suggests that music may be a promising non-drug-based strategy for improving sleep quality in older adults.
  • Blog Post

    Finding success with non-drug treatments: 4 common conditions that can benefit

    Are you living with dementia, high blood pressure, or urinary incontinence? See what the research has to say about your options for non-drug treatments. Hint: promising possibilities lie ahead.
  • Blog Post

    Getting “alternative” with nerve pain: Could herbal treatments be a source of relief?

    Considering complementary and alternative options for nerve pain? You should know that the current evidence base on the potential benefits and harms of herbal treatments—specifically, nutmeg and St John's wort—is uncertain.
  • Blog Post

    Supplementing our diets with supplements for heart health?

    At one time or another, dietary supplements have been a feature of many of our shopping carts and medicine cabinets. But is there substance to the hype when it comes to our heart health? The research suggests no, except in very specific scenarios.
  • Blog Post

    Keeping calm with non-drug options for people with dementia

    Are you looking for non-drug alternatives for the management of agitation in dementia? The evidence shows there are several potentially effective options.
  • Blog Post

    Fact or fiction: What the research says about cannabis use for common conditions

    Cannabis is increasingly touted as an effective treatment for a variety of ailments. But does the research support this? Find out whether cannabis is “worth the hype” for three common health conditions.
  • Blog Post

    5 research-based ways to support those living with type 2 diabetes

    Are you looking for strategies to add to your diabetes management plan? Consider these 5 research-based techniques.
  • Blog Post

    Is echinacea good for upper respiratory tract infections?

    The use of echinacea to prevent and treat upper respiratory tract infections continues to be a matter of hot debate. New research weighs in on the conversation.
  • Blog Post

    Does cannabis offer new hope for folks with Crohn’s disease and ulcerative colitis?

    Is cannabis the answer for people with Crohn’s and ulcerative colitis? The evidence is still out on its safety and effectiveness.
  • Blog Post

    Fact or fiction: Research reveals the truth about common supplements

    There are many claims out there about the health benefits of dietary supplements, but not all claims are backed by evidence. Talk to your health care provider about which supplements may be beneficial to you.
  • Blog Post

    Preventing dementia: Are vitamin and mineral supplements worth the money?

    Dementia is a major concern as we age. If you're hoping to fend off this devastating condition, based on current evidence, vitamin and mineral supplements may not be the answer.
  • Blog Post

    The up-and-up on treating premature ejaculation

    Premature ejaculation is a frustrating experience that can bring any man down. On the up-side, there are many treatments that can help.
  • Blog Post

    Is it just me, or is it hot in here? Take the heat out of menopause with these treatments

    Many women experience hot flashes and night sweats during menopause. If you are suffering from your own personal heat wave, find comfort in the fact that there are options available to help cool you down.
  • Blog Post

    Painful knees? What about acupuncture?

    For people with knee osteoarthritis, living pain-free may seem a distant dream. The ancient practice of acupuncture may offer a way for people to reduce their pain and get back to their daily routine.
  • Blog Post

    Can vitamin D ward off acute respiratory tract infections?

    Looking for ways to ward off acute respiratory tract infections? Vitamin D3 supplements may be your answer to helping prevent these unwelcome events.
  • Blog Post

    Painful knees? What about acupuncture?

    For people with knee osteoarthritis, living pain-free may seem a distant dream. The ancient practice of acupuncture may offer a way for people to reduce their pain and get back to their daily routine.
  • Blog Post

    Help flu shots stick with prebiotics and probiotics?

    Preventing the flu is top-of-mind for many people during flu season. Supplementation with prebiotics or probiotics may be one way to enhance the flu shot’s protective effects.
  • Blog Post

    Traditional Chinese Medicine: A supplement to modern diabetes management?

    Tai Chi and ba duan jin are Traditional Chinese Medicine practices that have been around for thousands of years. New research brings these age-old practices into the present as possible additions to standard type 2 diabetes care.
  • Blog Post

    Vitamin D: A possible ally in the fight against diabetes

    Could vitamin D supplementation help you improve your blood sugar control? Research shows promise for some people living with type 2 diabetes.
  • Blog Post

    Cannabis for chronic nerve pain: A half-baked solution?

    Although some people suffering from chronic neuropathic pain might find some relief with cannabis-based medications, the side effects may outweigh the benefits.
  • Blog Post

    Yoga for diabetes: breathe, relax, stretch…and reduce your blood sugar levels?

    Are you a yogi? If not, consider rolling out your mat and giving yoga a try. Research shows that adding yoga to your diabetes management plan may be an effective way to keep your blood sugar under control, and can also help improve blood pressure, body mass index, and cholesterol levels.
  • Blog Post

    Depression got you down? Try these 3 self-care strategies

    Coping with depression can feel like an uphill battle. In addition to treatments prescribed by your doctor, taking an active role in your treatment through self-care strategies – such as exercise, mindfulness-based cognitive therapy, and reminiscence therapy – can make a big difference in how you feel.
  • Blog Post

    Struggling to lose weight? Mindfulness may be the solution

    Mindfulness may be one way to help control your eating habits and become more physically active.
  • Blog Post

    What works best for relieving back pain?

    Low back pain can be debilitating but it can be managed with non-drug therapies and medications if needed. What works best? Find out recommendations from recent research evidence.
  • Blog Post

    3 research-based benefits of yoga for healthy aging

    Want to age well? Consider making yoga part of your regular activities.
  • Blog Post

    Digestive problems? Try probiotics

    Got probiotics? These “good for you” bacteria, found in certain foods and available as supplements, contribute to a healthy digestive system and improve gastrointestinal problems.
  • Blog Post

    3 alternative options for pain relief

    Alternative options for managing pain can bring relief without the risks associated with prescription drugs.
  • Blog Post

    Acupuncture: An effective treatment for chronic headaches

    Research shows that acupuncture is worth a try for people who suffer from chronic headaches or migraines.
  • Blog Post

    Exercise plays an active role in treating depression

    Depression is a serious chronic disorder common among older adults. Exercise is recommended as part of a depression treatment plan.
  • Blog Post

    Weeding out the truth: Cannabis-based medications for cancer patients

    Cannabinoids are active chemicals found in cannabis (marijuana) that are approved for medical use. Research shows they may be a promising way to ease nausea and vomiting from cancer treatment.
  • Blog Post

    Back pain? Try exercise!

    Low back pain can make getting through the day challenging enough without worrying about keeping up your exercise regimen. But before you throw in the (gym) towel, read the latest research about the best types of exercise for relieving back pain.
  • Blog Post

    Antioxidant vitamins for eye health? Research evidence provides clarity

    Cataracts and macular degeneration commonly develop as we age. Will taking antioxidant vitamins help prevent these vision problems?
  • Blog Post

    Music can help ease your hospital stay

    If you’re undergoing surgery or other hospital treatments you’re probably not thinking of boogying to the beat. But research shows music therapy can reduce anxiety and pain and help ease depression and fatigue.
  • Blog Post

    Mindfulness-based cognitive therapy helps prevent relapse in people with depression

    Mindfulness-based cognitive therapy can help prevent relapse among people with depression.
  • Blog Post

    Don’t rely on fatty acid supplements for protection against heart disease

    Fatty acids (such as those found in fish, nuts, seeds and vegetable oils) provide health benefits, including lowering risk of heart disease. Fatty acid supplements may help lower blood pressure, but don’t prevent heart attacks in people already diagnosed with heart issues.
  • Blog Post

    Fish-oil supplements: another weapon against high blood pressure

    Omega-3 fatty acids found in fish promote heart health. Taking fish-oil supplements is an effective alternative to eating fish.
  • Blog Post

    Vitamin D and calcium: A dynamic duo in the maintenance of strong bones

    Calcium and vitamin D supplements help keep bones healthy and may reduce the risk of bone breaks in older adults.
  • Blog Post

    Can treatment prevent dementia in people with mild cognitive impairment?

    Treatments including Alzheimer's medications, vitamins, exercise, and memory training, are not effective in improving cognitive decline in people with mild cognitive impairment.
  • Blog Post

    Does vitamin C help with the common cold?

    Vitamin C taken regularly as a supplement doesn't change the frequency of catching a cold but may help a little with the duration and the severity of your symptoms.
  • Blog Post

    Can yoga relieve the pain and disability associated with low back pain?

    Studies have concluded that yoga is effective in reducing back pain and related disability, particularly in the short term.
  • Blog Post

    Polypharmacy, part 4. Medication review encourages best use and reduces adverse effects.

    Periodically ask a healthcare provider to check your medications. This can ensure the least harm and most benefit overall, and reduce drugs taken and interactions in polypharmacy.
  • Blog Post

    Polypharmacy, part 3. Online drug interaction checkers to assess side effects.

    Online drug interaction checkers are useful, but have some problems with identifying adverse effects. Always talk to a healthcare provider to confirm your risk for side effects.
  • Blog Post

    Polypharmacy, part 2. Risk of drug effects with multiple medications in the elderly: aging changes.

    Aging may change the effects and risk profile of different drugs. Polypharmacy may increase, decrease, or cancel effects of different drugs, foods, and supplements.
  • Blog Post

    Polypharmacy, part 1. Pitfalls of multiple medications: taking multiple drugs and risk of interactions.

    Many older Canadians are taking multiple medications (polypharmacy) to manage their health conditions. Taking 5 or more medications can increase your risk of drug interactions.
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