Health and Nutrition Videos

person getting a laser treatment

Friday Favorites: Do Low-Level Laser Therapy Devices Work for Hair Loss?

Laser therapy is marketed as a promising alternative to drugs and scalpels for treating hair loss, but what does the research say?

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Out of the lab onto the track

Out of the Lab Onto the Track

Randomized, double-blind, placebo-controlled, crossover studies convinced the scientific establishment that nitrate-rich vegetables (such as beets)...
Don't use antiseptic mouthwash

Don’t Use Antiseptic Mouthwash

The natural flora on our tongue (lingual bacteria) are essential for the athletic performance-enhancing effect...
Priming the proton pump

Priming the Proton Pump

To understand how beets could reduce the oxygen cost of exercise while improving athletic performance,...
people doing pushups

Doping with Beet Juice

Beets found to significantly improve athletic performance while reducing oxygen needs—upsetting a fundamental tenet of...
Soy worth a hill of beans?

Soy Worth a Hill of Beans?

Are soybeans better than other types of beans for heart disease prevention—or does the soy...
New Vitamin B12 Test

New Vitamin B12 Test

Who should get tested for vitamin B12 (cobalamin) deficiency, and which is the best test...
Daily source of vitamin B12

Daily Source of Vitamin B12

Fortified foods, such as some breakfast cereals and types of nutritional yeast, can provide another...
person examining a chicken

Safest Source of B12

Since foods are effectively a package deal, what's the best way to get vitamin B12...
Plant-based Atkins diet

Plant-Based Atkins Diet

Harvard study found that men and women eating low carb diets live significantly shorter lives,...

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