Anne Underwood

It's time society stopped reinforcing the bad behavior that leads to heart disease—and pursued policies to prevent it.

Copenhagen just might produce one promising agreement: the story behind a novel forest-preservation plan.

Why many people may need two shots, and other essential information.

It's a chilling thought. In the coming year, 130,000 people worldwide will suffer spinal-cord injuries—in a car crash, perhaps, or a fall. More than 90 percent of them will endure at least partial paralysis. There is no cure. But after a decade of hype and controversy over research on embryonic stem cells—cells that could, among other things, potentially repair injured spinal cords—the world's first clinical trial is about to begin. As early as this month, the first of 10 newly injured Americans, paralyzed from the waist down, will become participants in a study to assess the safety of a conservative, low-dose treatment. If all goes well, researchers will have taken a promising step toward a goal that once would have been considered a miracle—to help the lame walk.The trial signals a new energy permeating the field of stem-cell research. More than 3,000 scientists recently met in Barcelona for the annual conference of the International Society for Stem Cell Research, compared with...

Regenerative medicine experts are helping wounded vets regrow lost muscle tissue. Will fingers and limbs be next?

Step aside, quacks. The search for longer life is a real science now.

How mistakes in the treatment of TB resulted in a virulent and fatal new form of the disease.

Many universities are finding new ways to live and learn in an effort to be environmentally friendly.

A new book explains why sniffing pastries may make you nicer.

In a new book, psychiatrist James Gordon explains why he believes there's a more effective and drug-free way to treat depression and anxiety.

Dr. Michael Roizen, developer of the 'Real Age' program, calculates John McCain's biological age--as opposed to his chronological age. The answer may surprise you.

Some U.S. presidents have gone to great lengths to hide their physical and mental illnesses. Is that kind of deception necessary—or even possible today?

Can a videogame help you lose weight?

Why the military is backing the cool new field of regenerative medicine.

Scientists, inventors and entrepreneurs are focusing on ways to help the environment. Some of our favorite ideas.

Our old house leaks heat (and money) like a sieve.

Many common household products contain compounds that could be affecting our health.

An attic in a former insane asylum offers a vivid reminder of the ways we've treated the mentally ill.

You can push your aging brain to recall more facts and dates, scientists say, if you use a little muscle.

What is it like to live with 17 alternate selves? A survivor of multiple personality disorder discusses the disease and the painful integration process that made her whole.