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You’re Getting Very Sleepy. (So Is Everyone Else.)

You’re Getting Very Sleepy. (So Is Everyone Else.)

A sleep deficit can affect the safety and productivity of individuals in a workplace. Events such as the Challenger space shuttle disaster have been tied to a lack of sleep.

In Sweeping War on Obesity, Chile Slays Tony the Tiger

In Sweeping War on Obesity, Chile Slays Tony the Tiger

Kiosks in Santiago’s city center feature products with black nutritional warnings on the labels of items high in sugar, salt, calories or saturated fat.

A Federal Ban on Making Lethal Viruses Is Lifted

A Federal Ban on Making Lethal Viruses Is Lifted

A colorized electron micrograph of the coronavirus that causes Middle East respiratory syndrome, or MERS. Federal officials ended a moratorium imposed on funding research that alters viruses like this one to become more lethal.

Ebola Erupts Again in Africa, Only Now There’s a Vaccine

Ebola Erupts Again in Africa, Only Now There’s a Vaccine

An Ebola quarantine unit in Muma, Democratic Republic of Congo, last year. The country’s ninth outbreak is believed to have begun in early April but was confirmed as Ebola only on Tuesday.

Blood Test Might Predict Pregnancy Due Date and Preterm Birth

Blood Test Might Predict Pregnancy Due Date and Preterm Birth

A human fetus at eight weeks. A new blood test could one day help predict pregnancy due dates and help prevent deaths from premature births.

After ‘The Biggest Loser,’ Their Bodies Fought to Regain Weight

After ‘The Biggest Loser,’ Their Bodies Fought to Regain Weight

Danny Cahill, playing the bass during a church service near Tulsa, Okla., won Season 8 of the NBC show “The Biggest Loser” by dropping 239 pounds. He has regained more than 100.

Drug to Treat Smallpox Approved by F.D.A., a Move Against Bioterrorism

Drug to Treat Smallpox Approved by F.D.A., a Move Against Bioterrorism

Smallpox was eliminated in 1980, but experts have feared the virus, above, may return via laboratory accident or terrorist attack.

Theranos Founder Elizabeth Holmes Indicted on Fraud Charges

Theranos Founder Elizabeth Holmes Indicted on Fraud Charges

Elizabeth Holmes had become a darling of Silicon Valley, as she promoted what she claimed as a simple blood test that would revolutionize and personalize health care.

Skinny and 119 Pounds, but With the Health Hallmarks of Obesity

Skinny and 119 Pounds, but With the Health Hallmarks of Obesity

Claire Walker Johnson, 55, of Queens, developed Type 2 diabetes and a fatty liver, among other problems related to obesity, despite weighing only 119 pounds. She eventually found she had lipodystrophy, a rare genetic disorder.

A Breast Cancer Surgeon Who Keeps Challenging the Status Quo

A Breast Cancer Surgeon Who Keeps Challenging the Status Quo

­Dr. Esserman before performing a surgery in July, holding a sheet of song lyrics. Her preparation often includes singing to her patients as they go under anesthesia. She takes requests.

‘It’s Almost Like a Ghost Town.’ Most Nursing Homes Overstated Staffing for Years

‘It’s Almost Like a Ghost Town.’ Most Nursing Homes Overstated Staffing for Years

Stan Hugo with his wife, Donna, who is a resident at the Beechtree Center for Rehabilitation and Nursing in Ithaca, N.Y. Mr. Hugo tracks staffing levels at the skilled nursing facility.

The Online Gene Test Finds a Dangerous Mutation. It May Well Be Wrong.

The Online Gene Test Finds a Dangerous Mutation. It May Well Be Wrong.

Joshua Clayton was erroneously told he had mutation associated with Lynch syndrome, a genetic disorder that can lead to fatal cancers at an early age.

To Get Medicaid in Kentucky, Many Will Have to Work. Advocates for the Poor Say They Will Sue.

To Get Medicaid in Kentucky, Many Will Have to Work. Advocates for the Poor Say They Will Sue.

Kentucky Gov. Matt Bevin, a Republican, on Friday, announcing new work requirements for many of the state’s Medicaid recipients.

The Illness Is Bad Enough. The Hospital May Be Even Worse.

The Illness Is Bad Enough. The Hospital May Be Even Worse.

Bernadine Lewandowski, left, makes spaghetti sauce with her daughter, Dona Jones. Ms. Lewandowski lived independently until recent hospitalizations.

Doctor, Your Patient Is Waiting. It’s a Red Panda.

Doctor, Your Patient Is Waiting. It’s a Red Panda.

A red panda named Hoppy examined during a routine check-up conducted by veterinarians and veterinary technicians and, second left, Harvard medical school student Wataru Ebina, at the Franklin Park Zoo in Boston.

Two Prostate Cancer Drugs Delay Spread of the Disease by Two Years

Two Prostate Cancer Drugs Delay Spread of the Disease by Two Years

Ron Scolamiero of Marshfield, Mass., takes four pills of the prostate cancer drug apalutamide daily. New studies show it is one of two drugs that can stave off pain and the need for chemotherapy.


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