In the battle of the bulge, it’s not just getting exercise that matters — what you do when you’re not formally working out counts, too. Research shows that even getting 30 minutes of focused exercise a day may not be enough to ward off health woes if most of your leisure time is spent sitting.…  read on >

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. The average size…  read on >

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. In the study, Ayers’ team examined…  read on >

Women with breast symptoms at a regular cancer screening are more likely to develop breast cancer before their next screening, a new study finds. The study included women who took part in the Finnish National Breast Cancer Screening Program between 1992 and 2012. It invites women between ages 50 and 69 for mammograms every two…  read on >

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…  read on >

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. “Parabens are reported as…  read on >

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…  read on >

WEDNESDAY, March 21, 2018 (American Heart Association) — Lesbian, gay and bisexual adults are more likely than heterosexuals to have poor cardiovascular health, according to preliminary findings from a new study. The study, presented Tuesday at the American Heart Association’s Epidemiology and Lifestyle conference in New Orleans, analyzed data collected from 2,445 adults participating in…  read on >

Husbands who are less than satisfied with their sex lives might want to fire up the vacuum. Why? New research suggests that when partners in a marriage feel the division of housework is fair, sexual satisfaction improves for both. “Feelings of unfairness in housework and other aspects of your marriage can be corrosive to the…  read on >

Tiny pellets could treat arthritic knee pain, delaying the need for knee replacement surgery, a small study has found. Microparticles inserted into small blood vessels around the knee helped reduce the pain and improve function in eight arthritis sufferers, according to clinical trial results. The results were presented Monday at the Society of Interventional Radiology’s…  read on >