Hunt for cut-rate surgery ends in U.S.

(istockphoto)

“Medical tourist” scours the world for safe, affordable care and learns that she doesn’t need a passport to get it.

Miami-Dade shrugs off battleground health-care rhetoric

Miami-Dade shrugs off battleground health-care rhetoric

Most uninsured patients in Miami-Dade County did not routinely link their concerns about health care to their voting intentions.

Exercise may protect the aging brain

Exercise may protect the aging brain

A new study suggests that physical activity may mitigate cognitive decline in older adults.

Cleanliness is next to . . . the sink

Cleanliness is next to . . . the sink

Food-safety precautions can cut the risk of spreading disease in the kitchen.

Portraits and interviews of U.S. nurses

Portraits and interviews of U.S. nurses

Also: A slew of workout DVDs might help offset holiday weight gain.

Help your child win the science fair

Help your child win the science fair

Also: Discovery Channel’s “Curiosity” series explores the daily struggles of human cells.

NASA to Mars rover: Are you there?

NASA to Mars rover: Are you there?

How the space agency can communicate in a matter of minutes with the Mars rover Curiosity.

Can too much caffeine kill you?

Can too much caffeine kill you?

Questions about high-energy drinks arise in the wake of an FDA report on deaths.

A cave that Batman might appreciate

A cave that Batman might appreciate

Conservationists hope the world’s first artificial bat cave will stave off a deadly fungus.

Scientists take a very close look at life

Scientists take a very close look at life

Photographers offer a microscopic view of the world in a competition sponsored by Nikon.

Return of the frogs to Tanzania

Return of the frogs to Tanzania

American zoos are ready to release hundreds of toads back into habitat where they had become extinct.

The Checkup

Jennifer LaRue Huget

Smoke-free workplace laws linked to fewer heart attacks, study finds

Smoke-free laws may reduce incidence of heart attacks, largely by curbing exposure to second-hand smoke.

The Checkup

Jennifer LaRue Huget

Monday is World Stroke Day

An estimated 795,000 strokes occur annually in the U.S. Do you know the risk factors, symptoms and what to do if someone's having a stroke?

The Checkup

Jennifer LaRue Huget

Bystander-initiated CPR more likely in rich, white neighborhoods

People in cardiac arrest in a high-income, mostly white neighborhood are nearly twice as likely to receive CPR from a bystander, a study finds.

Health, Science & Environment Videos

Capital Weather Gang previews winter outlook for D.C. Council

Capital Weather Gang previews winter outlook for D.C. Council

Capital Weather Gang previews winter outlook for D.C. Council
Capital Weather Gang previews winter outlook for D.C. Council

Capital Weather Gang previews winter outlook for D.C. Council

Capital Weather Gang previews winter outlook for D.C. Council
Contributors to Alaska’s Kachemak Bay’s pH levels

Contributors to Alaska’s Kachemak Bay’s pH levels

Contributors to Alaska’s Kachemak Bay’s pH levels
Mei Xiang vocalizes distress

Mei Xiang vocalizes distress

The National Zoo’s giant panda, Mei Xiang, vocalized distress on Sunday morning. Her six-day-old panda cub died on Sunday.
Quick glimpse of National Zoo’s baby panda

Quick glimpse of National Zoo’s baby panda

The National Zoo’s panda cam caught a shot of mother panda Mei Xiang picking up her cub on Monday evening.
Visitors flock to National Zoo to see baby panda

Visitors flock to National Zoo to see baby panda

The National Zoo’s giant female panda Mei Xiang gave birth Sunday night. Visitors joined the new mother at the zoo Monday to celebrate the new baby.
Baby panda squeaks

Baby panda squeaks

The National Zoo says their giant female panda Mei Xiang gave birth late Sunday night. The cub is the first baby panda to be born at the zoo since 2005.
Lightning seen from D.C.-bound airplane

Lightning seen from D.C.-bound airplane

Lightning seen from D.C.-bound airplane
Flooding in Slidell after Hurricane Isaac

Flooding in Slidell after Hurricane Isaac

Parts of Slidell, a suburb of New Orleans, are flooded Thursday in the aftermath of Hurricane Isaac. U.S. Army National Guard members and residents with boats evacuated people stuck in flooded areas of the town.
Isaac bears down on New Orleans

Isaac bears down on New Orleans

Tropical Storm Isaac, which was downgraded from a hurricane, continues to slowly ravage the New Orleans area. Lake Pontchartrain crashes onto Interstate 10 North outside the city to flood the area, and people asses damage around the city.
Hurricane Isaac provides major surf at Louisiana lake

Hurricane Isaac provides major surf at Louisiana lake

New Orleans residents take advantage of big waves and high winds before Hurricane Isaac makes landfall at Lake Pontchartrain.
Neil Armstrong takes the first step on the moon

Neil Armstrong takes the first step on the moon

Neil Armstrong becomes first man on the moon
National parks feel budget squeeze

National parks feel budget squeeze

Many of America’s national parks and monuments are feeling the pinch of a 6% funding cut , with more budget challenges on the horizon.

Medical Mysteries

Why was teenager gasping for air?

Medical Mystery

Coughing spells confounded multiple specialists, but not an astute physician assistant.

Read more Medical Mysteries

How & Why

What’s the better bulb: CFL or LED?

Light bulb comparison.

The incandescent light bulb is being replaced by CFLs and LEDs. Which is better for the environment?

Special Reports

Obesity in America 2010

One-third of U.S. children are overweight, leaving the health and productivity of an entire generation at risk.

AIDS/HIV

Virus that causes AIDS passes between U.S. and Mexico.

Inside Your Body

Find graphics, galleries and more that explain what’s happening in your body.