According to the U.S. Centers for Disease Control and Prevention, prediabetes is a serious health condition in which blood sugar levels are higher than normal, but not high enough to meet the threshold for type 2 diabetes. The federal agency says that some 84 million Americans ages 18 or older — more than one out of three — have prediabetes but 90% don’t know it.

A health problem that has plagued astronauts returning from space – and some earthbound people as well – is lessened by daily exercise, researchers have found. Orthostatic hypotension - a temporary drop in blood pressure occurring when a person stands up after sitting or lying down - has caused newly returned astronauts to faint or feel dizzy.

Binge watching TV may be a greater risk factor for heart disease and premature death among African Americans than sitting at a desk job, according to new research in Journal of the American Heart Association, the Open Access Journal of the American Heart Association/ American Stroke Association. According to the author, these latest findings suggest that television-watching may be the most harmful sedentary behavior.

A new study by researchers at the National Institute for Occupational Safety and Health (NIOSH) found that close to 47% of workers have access to workplace health promotion programs, and among those with access, only 58% of workers take advantage of them. The study was recently published in the American Journal of Health Promotion.

A billionaire and a famous actor both experienced the same health emergency recently – one that surprised many people, given their relatively young ages. One survived, one did not. The two high profile incidents involving Cleveland Cavaliers owner Dan Gilbert and actor Luke Perry have drawn renewed attention to the danger of strokes, which strike about 700,000 Americans a year, according to WebMD.

Activity trackers and mobile phone apps are all the rage, but do they really help users increase and maintain physical activity? A new study has found that one mobile phone app designed for inactive women does help - when combined with an activity tracker and personal counseling.

People can reduce their risk of dementia by getting regular exercise, not smoking, avoiding harmful use of alcohol, controlling their weight, eating a healthy diet, and maintaining healthy blood pressure, cholesterol and blood sugar levels, according to new guidelines issued by the World Health Organization (WHO).

With the recent news that even small bouts of exercise lead to significant health benefits, the American Heart Association (AHA) is urging adults to move more and make it count where they spend most of their time - at work. “It doesn’t matter whether you get activity in short bursts of a few minutes or longer periods of time,” says Eduardo Sanchez, M.D., M.P.H., FAAFP and AHA’s chief medical officer for prevention.

Women who spent less of their day in sedentary behaviors—sitting or reclining while awake—had a significantly decreased risk of heart disease, but there has been an increase in the incidence of younger women having acute heart attacks in the U.S., according to two studies in a special Go Red for Women issue of the American Heart Association’s (AHA) journal Circulation, published in February, American Heart Month.

February is Cancer Prevention Month and the American Institute for Cancer Research (AICR) is using the opportunity to help Americans separate the myths from facts about cancer risk. The good news: approximately 40 percent of all cancer cases can be prevented. According to AICR, the most important ways to reduce your cancer risk (after not smoking) are: eating a healthy diet, being more active each day and maintaining a healthy weight.