In 1937, Harvard researchers began following the lives of 268 students. Year after year, the men were interviewed and given medical and psychological exams. The goal? Find a formula for happiness.

The life and work of a Manhattan psychoanalyst.

What the sensation of uncontrollable itch and the phantom limbs of amputees can tell us about how the brain works.

“The gun debate would change in an instant if Americans witnessed the horrors that trauma surgeons confront everyday.”

For insect detectives, the trickiest cases involve the bugs that aren’t really there.

“It is a beautiful hand: strong, with long, slender fingers and smooth skin, its nails ridgeless and pink. If you didn’t know Jonathan Koch—if you first met him, say, on the courts at the Calabasas Tennis & Swim Club—you might not suspect that his hand previously belonged to someone else.”

On the underground doctors unleashing the healing powers of hallucinogens.

Around 60 people in the world share a condition called “highly superior autobiographical memory.” They remember absolutely everything.

On the centuries-long search for the perfect hangover remedy.

We devote vast resources to intensive, one-off procedures, while starving the kind of steady, intimate care that often helps people more.

Henry Heimlich saved untold choking victimes when he invented his maneuver in 1974. Since then, he’s searched in vain for another miracle treatment—pushing ethical boundaries along the way. Now at the end of his career, Heimlich has hired an investigator to find an anonymous critic working full-time to destroy his legacy.

Will Lacey was just a baby when doctors diagnosed a rare form of cancer and told his family there was only one end. Nobody then could imagine the journey ahead, from hospital rooms to board rooms, research labs to government offices, a furious race between hope and death.

For three days, thousands of uninsured Americans converge on the Wise County Fairgrounds for the largest pop-up clinic in the country.

On Robin Williams’s final months.

A boy whose skin blisters at the smallest touch is fighting for his life.

Daniel Kish is entirely sightless. So how can he ride a bike on busy streets? Go hiking for days alone? By using a technique borrowed from bats.

A physician becomes convinced he’s dying.

An essay about the weeks after the author’s brother nearly died.

For those who suffer from environmental illnesses, the town of Snowflake is an escape from a modern world full of allergens: fragrances, gluten, wifi.

A physiological theory of mental illness.

“Over and over again, records show, predatory physicians took advantage of a doctor’s special privilege — the daily practice of asking trusting people to disrobe in a private room and permit themselves to be touched.”

Inside the political battle over reproductive rights in Texas.

Over the past five years, the Syrian government has killed almost 700 medical personnel. Inside the race to spread medical knowledge as the Assad regime erases it.

Did Afghan forces target the M.S.F. hospital?