Placebo Effect

All Videos for Placebo Effect

Collagen Supplements for Arthritis

Can collagen beat out placebo for knee osteoarthritis?



The Side Effects of Yoga

What is the rate of yoga injuries compared to other activities?



Yoga Put to the Test for IBS, Inflammatory Bowel, Menopause, and Osteoporosis

A study using sham acupuncture underscores the necessity of controlling for expectancy effects.



Yoga Put to the Test for Depression, Anxiety, and Urinary Incontinence

Which of the 50 different yoga styles have been shown to be best?



Do Healthy Fast-Food Options Lead to Healthier Choices?

Adding a healthy option can actually drive people to make even worse choices, thanks to a mind-blowing glitch of human psychology.



Is Gastric Balloon Surgery Safe and Effective for Weight Loss?

Sham surgery trials have shown us that some of our most popular surgeries are themselves shams.



Cannabis for Inflammatory Bowel Disease (IBD)

Even though cannabis smoking may help with IBD symptoms in the short-term, it may make the long-term prognosis worse.



How Common Are Muscle Side Effects from Statins?

Why is the incidence of side effects from statins so low in clinical trials but appear to be so high out in the real world?



Heart Stents and Upcoding: How Cardiologists Game the System

Cardiologists can criminally game the system by telling a patient they have a much more serious, unstable disease than they really have, fraud that results in unnecessary procedures, unnecessary cost, and unnecessary patient harm.



Angioplasty Heart Stent Risks vs. Benefits

What do physicians and stent companies have to say for themselves, given that they are promoting expensive, risky procedures with no benefit?



Evidence-Based Weight Loss – Live Presentation

In this live presentation, Dr. Greger offers a sneak peek into his book How Not to Diet.



Aloe Vera for Psoriasis

Aloe gel is put to the test head-to-head versus steroids against the chronic inflammatory skin disease psoriasis.



Best Supplement for Canker Sores

Vitamin C, turmeric, beta-glucan fiber, and vitamin B12 are put to the test for recurring canker sores (aphthous ulcers).



Benefits of Cabbage Leaves for Relief of Engorged Breasts

Cabbage is put to the test in a randomized controlled trial.



Can Aloe Cure Cancer?

From a case report to a randomized controlled trial, aloe is put to the test against cancer.



Do Mobile Phones Affect Brain Function?

The World Health Organization concluded that cell phone radiation may cause brain tumors, but what about effects on cognitive function?



Apple Peels Put to the Test for Chronic Joint Pain

Are the health benefits associated with apple consumption simply due to other healthy behaviors among apple-eaters?



The Role of Dairy and Gluten in Canker Sores

Does excluding dairy products, food additives, and gluten-containing grains from one’s diet help those with recurring canker sores (aphthous ulcers)?



Benefits of Nutritional Yeast for Cancer

How can the beta glucan fiber in brewer’s, baker’s, and nutritional yeast improve wound healing and, potentially, anti-cancer immunity?



Coconut Oil and Abdominal Fat

What does a review of the evidence on the effects of coconut oil on weight loss and belly fat find?



Soy Phytoestrogens for Menopause Hot Flashes

Does soy food consumption explain why Japanese women appear to be so protected from hot flash symptoms?



Researching the Health Effects of Marijuana

Politics, prejudice, and pressure coming from both sides add to the complexity of cannabis research.



Topical Honey for Canker Sores

What works better against aphthous ulcers? Honey applied with a cotton swab three times a day after meals was compared head-to-head against an over-the-counter soothing pain-relieving paste and a prescription steroid cream.



Pros and Cons of Gluten-Free, Casein-Free Diets for Autism

What did the most comprehensive double-blind study of diet for autism find, and what are the potential downsides?



Double-Blind Clinical Trial of Diet for Autism

What happens when autistic children on gluten- and casein-free diets are covertly challenged with wheat and dairy?



Are Autism Diet Benefits Just a Placebo Effect?

The original randomized, controlled trials of gluten- and casein-free diets may have been complicated by parental expectation bias.



Eczema Treatment with Evening Primrose Oil, Borage Oil vs. Hempseed Oil

Are there dietary supplements that can help with atopic dermatitis?



Is Nutritional Yeast Healthy for Everyone?

Those with certain autoimmune diseases such as Crohn’s disease should probably not eat nutritional yeast.



Saffron for Erectile Dysfunction

What are the effects of both oral and topical application of the spice saffron for impotence in men?



Best Supplements for Prostate Cancer

What would happen if you secretly gave cancer patients four of the healthiest foods?



Which Are Better: Chia Seeds or Flaxseeds?

What effect do chia seeds have on weight loss, blood sugar, cholesterol, blood pressure, and inflammation?



Benefits of Rosemary for Brain Function

A half teaspoon of dried rosemary can improve cognitive function.



Vitamin D for Inflammatory Bowel Disease

Vitamin D supplements were put to the test for Crohn’s disease.



Ginger for Osteoarthritis

A quarter- to a half-teaspoon a day of powdered ginger can be as pain-relieving as ibuprofen, without the risk of damage to the intestinal lining.



Sesame Seeds for Knee Osteoarthritis

Can the consumption of sesame seeds improve the clinical signs and symptoms of arthritis?



Ginger for Nausea, Menstrual Cramps, and Irritable Bowel Syndrome

Powdered ginger can be a highly effective, cheap, easy-to-use, safer treatment for nausea, migraine headaches, and menstrual blood loss and pain. Does it also work for IBS intestinal cramping?



Liquid Calories: Do Smoothies Lead to Weight Gain?

If our body doesn’t register liquid calories as well, why are blended soups more satiating than the same ingredients eaten in solid form?



Peppermint Oil for Irritable Bowel Syndrome

Peppermint essential oil should be considered the first-line treatment for IBS.



Do Antidepressant Drugs Really Work?

Freedom of Information Act documents show drug companies hid critical findings from doctors and the public.



Treating Asthma and Eczema with Plant-Based Diets

Pilot studies on treating allergic eczema and severe asthma with dietary interventions have shown remarkable results.