Plight of the Teenage Insomniacs

Rachel Estrella, A high-school senior in Barrington, R.I., gets into bed every night before 10, hoping to beat her insomnia. One frustrating hour later, she gets up.

Fear and Allergies in the Lunchroom

It's 1 p.m. at Mercer Elementary School in Shaker Heights, Ohio, and Lena Paskewitz's kindergarten class is filled with the happy hum of kids getting ready for their favorite part of the day: lunch.

Peering Into the Future

The year is 1895 and Pauline Gross, a young seamstress, is scared. Gross knows nothing about the double helix or the human-genome project--such medical triumphs are far in thefuture.

New Childbirth Technology Tanks

As every 21st century mother knows, technology has become a routine part of delivering a baby in the hospital. One big advance: fetal heart rates are now routinely tracked during labor to be sure that there are no major and worrisome changes that would require an emergency Cesarean delivery.

Fixing America's Hospitals

Every day, hospitals across the country care for Americans in need. Babies are born, heart-attack victims are saved, broken bones are healed. But today, as the population ages, medical demands surge and costs rise, America's hospitals are being tested like never before.

Knowledge That Can Save You

It was a destiny Melodee stokes desperately wanted to avoid. The youngest of five girls, Melodee watched her oldest sister, Brenda, now 60, battle breast cancer twice.

Fast Chat: Eat Your Veggies

If you're an Asian woman living in Bergen County, N.J., good news: your life expectancy, says a new study, is 91. That's 33 years longer than Native American men in South Dakota.

A New View of The Boys Club

Ben Barres knows how it feels to be treated like a girl. Back in high school, Ben--who at that point was a girl named Barbara--was desperate to ditch sewing and cooking class for the "boy" stuff: woodworking, mechanical engineering, auto mechanics.

The Ties That Bind

Our blood holds the secrets to who we are. Human genomes are 99.9 percent identical; we are far more similar than diverse. But that tiny 0.1 percent difference reveals clues to our ancestries.

The Therapist as Scientist

The year is 1876 and Sigmund Freud's scientific career is about to begin. The id, the ego, the superego? Nowhere to be found. When he travels to the University of Vienna's zoological station in Trieste, Italy, sometime around his 20th birthday, the young med student embarks on a far less esoteric task: hunting for the testicles of the eel.

Interview: Biology of the Mind

In 2000, Dr. Eric Kandel, a Columbia professor and Howard Hughes Medical Institute senior investigator, earned a Nobel Prize for his work on learning and memory.

Food News Blues

Fat is bad, but good fat is good. What about fish? Wine? Nuts? A new appetite for answers has put science on a collision course with the media.

Marriage: Act II

For the millions of baby boomers who decide to stick it out, survival depends on 'flexibility, humor and affection.'

Paradise Found

If only Darwin were alive to see it. Last week, scientists announced that they had discovered a biological treasure trove of never-before-seen plants and animals in the Papua province of Indonesia.

In Our Blood

DNA Testing: It is connecting lost cousins and giving families surprising glimpses into their pasts. Now scientists are using it to answer the oldest question of all: where did we come from?

Saving Soul food

Health-conscious African-Americans are reinventing classic recipes. So long, pork fat; hello, baked chicken.

Health: How Their Stories End

I always wonder about the patients: after my stories go to print, how do their stories turn out? In October I got an e-mail from Suellen Bennett, whom I had interviewed last year for a piece on young women and breast cancer.

Into the Wild: A Scientific Approach

It's not as easy as popping Prozac, but it's definitely more fun: swimming with dolphins. But is it medicine? In a recent study published in the British Medical Journal, researchers found that patients with mild to moderate depression who splashed around with dolphins reported greater improvements in their symptoms than a control group who swam and snorkeled on their own in a coral reef.