NEW YORK — Teenagers who undergo gastric-bypass weight-loss surgery lose bone in the 2 years following the procedure, a new study shows.

London:  An Indian-origin surgeon-led team in Britain has come up with a one-hour keyhole operation to replace heart valve, a breakthrough which offers hope to cardiac patients too sick to undergo an open-heart surgery.

ScienceDaily (Mar. 27, 2011) — The notion of transplanting adult stem cells to treat or even cure age-related macular degeneration has taken a significant step toward becoming a reality. In a study published March 25 in Stem Cells, Georgetown University Medical Center researchers have demonstrated, for the first time, the ability to create retinal cells derived from human-induced pluripotent stem cells that mimic the eye cells that die and cause loss of sight.

New numbers released by the American Society of Plastic Surgeons show that although breast enhancement surgeries have shot up almost 40 percent in the past decade, other cosmetic procedures, including nose reshaping, liposuction, eyelid surgery and face-lifts, are losing popularity.

PITTSFIELD -- Among the patients in the dialysis unit at Berkshire Medical Center, Jeff Doscher knows he is lucky: He can still walk and still work. But, like everyone in his shoes, he is waiting to close the chapter of his life where he has to sit in the hospital three times a week to filter his blood for four hours.

The South Korean government is not exactly embarrassed by the country’s Asia-wide reputation for plastic surgery; it’s too big a moneymaker for that. But the authorities are eager to attract foreigners in the future with a wider range of medical services.

A minimally invasive procedure offers a new option to patients with a common, growing problem in elderly people known as aortic stenosis.

A cardiac enzyme test is one of the first tools that doctors use to check whether you’ve had a heart attack. What they’re looking for are troponins - a type of protein - in the blood. Now new research suggests that making this test more sensitive may make it better at detecting evidence of a heart attack.

MONDAY, March 21 (HealthDay News) -- While the majority of morbidly obese patients who undergo gastric banding say they are generally satisfied years later, almost 40 percent are saddled with major complications, while about half have to have their bands removed, a small, new Belgian study reveals.

MONDAY, March 21 (HealthDay News) -- More American men seem to be lining up for facelifts, Botox injections, nose jobs and liposuction than ever before.