THURSDAY, March 22, 2018 -- After American women began to adopt annual mammography screening in the 1980s, a very healthy thing happened: the average size of newly discovered breast tumors got smaller.
That's the finding from a new look at data on more than 386,000 U.S. women who were diagnosed with breast cancer between 1983 and 2014.
THURSDAY, March 22, 2018 -- Millions of Americans buy marijuana online illegally, a new study found.
"Anyone, including teenagers, can search for and buy marijuana from their smartphone, regardless of what state they live in," said study leader John Ayers. He's an associate research professor at San Diego State University's School of Public Health.
THURSDAY, March 22, 2018 -- If you suffer from fibromyalgia, new research suggests tai chi might do more than aerobic exercise to ease your chronic pain.
"Tai chi mind-body treatment results in similar or greater improvement in symptoms than aerobic exercise, the current most commonly prescribed nondrug treatment, for a variety of outcomes for patients with fibromyalgia," the study authors wrote.
WEDNESDAY, March 21, 2018 (American Heart Association) -- It takes physical activity to stay heart-healthy on Earth and even more to stay healthy in space.
The lack of gravity in space causes hearts to slightly expand and work differently, said NASA astronaut and geophysicist A.J. "Drew" Feustel, who is scheduled to take off for the International Space Station from Kazakhstan on Wednesday.
WEDNESDAY, March 21, 2018 -- Pet owners care deeply about what their furry family members eat. So should they worry about a new study that finds chemical preservatives known as parabens are often in dog and cat food, as well as in urine samples from the animals?
Maybe, researchers say, though there's no need to panic.
WEDNESDAY, March 21, 2018 -- Get ready for extreme heat. Researchers warn that climate change will soon trigger more severe summers across the United States.
Heat waves -- the leading cause of weather-related deaths in the United States -- have increased in number and severity in recent decades. The new analysis of heat wave patterns predicts that is about to intensify.