NFL Retirees Help Scientists Develop Early Test for Brain Condition CTE

WEDNESDAY, April 10, 2019 -- When NFL legend Frank Gifford died in 2015 at the age of 84, his family revealed that for years he'd suffered from mental issues caused by chronic traumatic encephalopathy (CTE), tied to head trauma experienced during his years of play.

CTE was also thought to contribute to the suicide of retired NFL great Junior Seau at the age of 43.

Expert Tips for Reducing Running Injuries

TUESDAY, April 9, 2019 -- Most runners are enthusiastic about their sport and take steps to work out safely. But injuries like stress fractures and muscle strains, among others, are common and can sideline you, sometimes for weeks if not months.

Researchers point to hard heel-toe landings as one key injury risk factor. This type of landing increases vertical load rate -- the amount of force your body absorbs on impact, making you more prone to injury.

Supplemental Steroids, Testosterone May Lower Men's Sperm Counts

WEDNESDAY, March 27, 2019 -- Men who abuse hormones such as testosterone or steroids for bodybuilding can have declines in sperm and testosterone production, researchers say.

The good news: these changes seem to reverse once men stop hormone overuse.

Half-Dose of Mountain Sickness Med Works as Well as Full Dose

THURSDAY, March 14, 2019 -- A lower dose of a medication to prevent acute mountain sickness is as effective as the standard, higher dose, a new study finds.

Acute mountain sickness (AMS) can cause headaches, gastrointestinal upset, fatigue, weakness, vertigo and sleep problems.

NFL Players' Enlarged Hearts May Harm Health for Decades

WEDNESDAY, March 6, 2019 -- "Athlete's heart" -- an enlarged heart created by intense physical training -- is a common and often brushed-off condition within elite and professional sports.

But a new study of National Football League players is raising concern about the long-term consequences of athlete's heart when it comes to retirees who have long left the field.

AHA News: Is Long-Distance Running Good for the Heart?

FRIDAY, March 1, 2019 (American Heart Association News) -- As you can tell by all those 26.2-mile bumper stickers popping up around the country, the popularity of marathons and long-distance running continues to grow. But so has the number of studies examining whether consistent endurance racing is healthy.

Recent research has raised alarms about the potential for plaque buildup and scarring in the heart in some long-distance runners. Yet other studies have suggested that when marathoners get heart disease, they may be able to weather it better than non-runners.