Scientists have engineered a natural adhesive that can patch a hole in a pig's heart. The experimental glue is nontoxic, dissolves in the body and withstands high pressure inside a beating heart. But there's still a long way to go before the superglue could replace sutures in the operating room or on the battlefield.
While the proportion of the world's population that smokes has shrunk, the total number of smokers on the earth continues to rise. In 2012, nearly a billion people smoked daily, compared with 721 million in 1980.
What are the odds that you will die this year? Whatever they are, the mortality tables suggest those odds will double eight years from now. Death, apparently, moves closer at a curiously regular pace. Why this eight-year progression? Is it something biological? Random? What is it about eight that attracts the Grim Reaper? Let's ask.
The polar vortex putting much of the U.S. in a deep freeze may have you reaching for the comfort cookies. But in Antarctica — where the coldest temperatures on Earth have been recorded — 5,000 calories a day isn't a bad idea. One thing the continent's history teaches us: When life is stripped down to man versus the most brutal elements, bring plenty of snacks.
Of 32 diets ranked by a panel convened by U.S. News & World Report, the DASH diet came out on top. Never heard of it? It's not a buzzword, but it's been around for a long time, and there's solid evidence that it works, not just for weight control but also to lower high blood pressure.
Back in 1964, people smoked cigarettes at work, in restaurants and in grocery stores. Few would have predicted that a report from the U.S. surgeon general would spark a public health revolution that has increased life expectancy in this country by 30 percent.
Keep the dog away when you're shoveling snow. Some can't resist jumping toward the flying flakes, and a dog is no match for a shovel blade. The sweet taste of antifreeze can be enticing for pets, but ethylene glycol, the main antifreeze, is also quite toxic. Clean up spills and drips.
Hospitals now offer meditation classes, but doctors have questioned whether this ancient discipline has any medical benefits. It can help with symptoms of stress, anxiety and depression, an analysis says. But there's no evidence it helps with sleep or weight issues.
Alcohol uses causes a lot of health problems, and most of the trouble strikes drinkers who aren't alcoholics. Something as simple as a five-question screening test and a brief chat about cutting back can help people change course. But more than 80 percent of adults say they've never discussed alcohol use with a health professional.
A new California law allows transgender students to choose restrooms and sport teams based on the gender they identify with. Host Michel Martin speaks with a parenting roundtable about the pros and cons.
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