Does Marijuana Cause Lung Cancer?
On a puff-by-puff basis, cannabis smoke deposits four times more tar in the lungs than...
Health and Nutrition Videos
Do Vegetarians Have More or Less Depression and Anxiety?
Snapshot-in-time cross-sectional studies are mixed when it comes to vegetarian diets and mental health outcomes.
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Does Adding Milk Block the Benefits of Coffee?
How to choose the healthiest coffee, and the effects of adding milk vs. soymilk.
Benefits of Blueberries for Mood and Mobility
Randomized, double-blind, placebo-controlled trials of… blueberries!
Bean Pastas and Lentil Sprouts
Do the benefits of beans, and lentils, and chickpeas remain when they’re powdered? Also, how...
Urinary Tract Infections from Eating Chicken
Can UTI-causing ExPEC E. coli bacteria be transferred human-to-human from those who eat chicken?
Dietary Supplements for Autism
Vitamin C, vitamin D, and omega-3 fish oil supplements put to the test to improve...
Aloe Vera for Psoriasis
Aloe gel is put to the test head-to-head versus steroids against the chronic inflammatory skin...
The Best Advice on Diet and Cancer
What does the best available balance of evidence say right now about what to eat...
Best Supplement for Canker Sores
Vitamin C, turmeric, beta-glucan fiber, and vitamin B12 are put to the test for recurring...
Does Tea Tree Oil Have Hormonal Side Effects?
Do the estrogenic effects of tea tree oil get absorbed through the skin?
Is Tea Tree Oil Safe?
What, if any, are the caveats for tea tree oil use and tips on safe...
Is Henna Safe?
Is there risk of lead and PPD contamination of red and black henna?