Healthy Spaces

FDA suggests allowing blood donations by gay men — but of course there's a catch

Four in 10 in U.S. live with dangerous air pollution

What it takes to become a CDC disease detective

Dr. Germ's gross-out tour of a typical home

What's your cleanliness IQ?

Which state has the happiest residents? The answer may surprise you

Noise pollution impacts our ability to hear nature

From bacteria to bubonic plague: Study finds NYC subways are teeming with (microbial) life

Air pollution messes with our DNA

City life doesn't affect asthma rates as formerly thought

The experts' secrets to getting organized

How cold weather is good for you