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CHICAGO (Reuters) - Each year, half of American women who would rather not get pregnant will have an unplanned pregnancy, often because they failed to use their contraceptive properly or forgot to use it at all, U.S. researchers said on Tuesday.

WASHINGTON (Reuters) - Heavy marijuana use can boost blood levels of a particular protein, perhaps raising a person's risk of a heart attack or stroke, U.S. government researchers said on Tuesday.

WASHINGTON (Reuters) - A requirement that all companies help fund health insurance in the United States and a new public plan option are keys to a plan proposed on Tuesday to dramatically shrink the rolls of the uninsured.

(Johnson & Johnson Pharmaceutical Research & Development, L.L.C.) Professor Marc Feldmann and Emeritus Professor Sir Ravinder Maini of the Kennedy institute of Rheumatology, Imperial College London have been named the recipients of the 2008 Dr. Paul Janssen Award for Biomedical Research by an independent selection committee of world-renowned scientists. The award salutes scientists in basic research whose scientific achievements have made a measurable impact on human health. Feldmann and Maini were selected for their role in the discovery of tumor necrosis factor-alpha.

(Imperial College London) Two British researchers who pioneered treatments which have helped millions of people with rheumatoid arthritis and other autoimmune diseases have been awarded the prestigious 2008 Dr. Paul Janssen Award for Biomedical Research, announced today. Emeritus Professor Sir Ravinder Maini and professor Marc Feldmann, who have been carrying out research together at Imperial College London since the 1980s, were selected for the $100K award by an international committee including Nobel Laureates and other world-renowned scientists.

(Indiana University) A study to determine whether chronic disease management of individuals with diabetes and/or congestive heart failure improves health outcome and lowers healthcare costs trial provides the first scientifically valid look at what one might expect from chronic disease management programs that serve low-income individuals.

Shauna Reid, Gerry Pugliese and Deborah Kosnett don't seem to have much in common. They've never met and live in cities hundreds of miles apart. But they share one activity that has changed their lives: blogging about weight loss.

Sometimes timing is everything. The decision my husband, Phil, and I made last year -- to sell our high-rise condo in a friendly and lively area of North Bethesda and move to a retirement community -- was one of those instances.

In the dark, Oscar-nominated film "The Savages," Wendy Savage cries out, "We're horrible, horrible people," as she and her older brother, Jon, consider to which of Buffalo's dreary nursing homes to commit their octogenarian father.

A large 10-year randomized trial has found no difference in cataract formation between those who took vitamin E and those who did not.