Three congressmen want to know why, if dimethylamylamine, or DMAA, was deemed unsafe, supplement retailers are still selling it.    

In 12 exercises deploying only body weight, a chair and a wall, it fulfills the latest mandates for high-intensity effort, which essentially combines a long run and a visit to the weight room into about seven minutes of steady discomfort — all of it based on science.    

Road races are social and energizing, but a run through the New York Botanical Garden offers something different: natural beauty and a thought-provoking solitude that is not easy to obtain in the city.    

Whether they’re called winning streaks, “hot hands” or being “in the zone,” many fans believe players, and teams, go on tears. And new studies suggest those streaks may be more than just magical thinking.    

A new study suggests that hypertensive teenagers have higher academic achievement and fewer emotional and behavioral problems than peers with normal blood pressure.    

Two drug companies will charge less than $5 a dose to expand protection from the virus known as HPV to millions of girls in the poorest countries.    

The group that released the tape, Live Action, claims remarks made by a prominent provider of late-term procedures were inhumane.    

The Bloomberg administration had previously said that it needed 10 years to complete the job.    

Data being released for the first time shows that hospitals charge Medicare vastly differing amounts for the same procedures, often far above what the program typically reimburses.    

Gov. Chris Christie of New Jersey said he had a band placed around his stomach in February.    

The company said it stopped new sales and marketing of Alert Energy Caffeine Gum as the Food and Drug Administration investigates the safety of added caffeine.    

Two studies have found that depression and the use of certain antidepressants are associated with increased risk for Clostridium difficile infection, an increasingly common cause of diarrhea that in the worst cases can be fatal.    

Honor thy mother and father. Take their stuff.    

Readers solve the mystery of a 23-year-old woman with a terrible headache who kept getting worse.    

Dr. Loren Fishman, a rehabilitative medicine specialist, addresses reader questions about yoga and aging, back pain, sciatica and more.    

For Gov. Chris Christie, the consequences of not sticking to a post-surgery diet could be dire, including having to run to the bathroom after eating the wrong food.    

The test, developed by Genomic Health, can help distinguish aggressive prostate cancer from less threatening ones, potentially saving many men from unneeded operations.    

A federal judge on Tuesday criticized the Food and Drug Administration over its refusal to make emergency contraception available to girls of all ages without a prescription.    

Fourteen countries in Africa have the highest rates, while India has the highest number of such deaths, according to the report by the aid group Save the Children.    

The star of the hit ABC television show “Modern Family” talks about life after thyroid cancer and staying fit at 40.