A new study shows people who are in the habit of climbing stairs are less likely to die from heart disease compared to those who don't. Stair climbers also had a slight boost in longevity.

Under a related deal, users who return devices by Aug. 9 can get an extra $100. As part of the recall, the company is offering repairs, replacements or refunds of the machines' cost.

An anti-smoking advocate says the decision to leave menthol cigarettes on the market "prioritizes politics over lives, especially Black lives."

Plenty of people go to couples therapy — why not siblings therapy? Experts say the long, complicated relationships between siblings are worth exploring and tending to.

An organic seed company was distressed to learn it had marketed a GMO purple tomato by mistake. The incident raised alarm about the impact of new GMO plants.

Researchers have found that a warm, close bond with a sibling in early adult life is predictive of good emotional health later in life, with less loneliness, anxiety and depression.

A recent survey found that Americans' sleep patterns have been getting worse. Adult women under 50 are among the most sleep-deprived demographics.

Health officials say there's very little risk to humans from the bird flu outbreak among dairy cattle, but there's still much they don't know. Here are four questions scientists are trying to answer.

Studies suggest people who take metformin for diabetes may be at lower risk for cancer, heart disease and dementia. Now researchers aim to test if it prevents age-related diseases in healthy people.

More than 25 million adults in the U.S. have tinnitus, a condition that causes ringing or buzzing in the ears. An FDA approved device that stimulates the tongue, helped 84% of people who tried it.

Studies worldwide show that queer people tend to have more older brothers than other kinds of siblings. Justin Torres, a queer novelist and the youngest of three brothers, asks: Should it matter?

The campaign to amend Florida's constitution to protect abortion rights kicked off in Orlando, attracting voters on both sides of the issue. The ballot question needs 60% approval to pass.

Burnt out much? A study links working late, or variable shifts with health problems later in life. Maybe it's time to quit hustle culture for good.

Kids have too much screen time and not enough autonomy, says author Jonathan Haidt. His book The Anxious Generation argues this has caused an epidemic of mental illness and suggests ways to fix it.

Scientific advances in immunotherapy and new targeted therapies have increased survival rates. But screening among former and current smokers still needs to improve to save more lives.