Well

Ask Well: Is Jogging Bad for Older People?

By GRETCHEN REYNOLDS

Getty Images

High-impact exercise can be beneficial for those middle aged and beyond, much of the recent science shows.

Authorities did not know how dangerous the chemical was or how long it would take to flush it from the system.

Thousands Without Water After Spill in West Virginia

By TRIP GABRIEL

As 300,000 people learned that their tap water was unsafe, residents and businesses expressed a mix of anger and anxiety in coping with the industrial accident.

The New Old Age Blog

Fighting ‘Observation’ Status

By SUSAN JAFFE

There are steps to take when the hospital refuses to formally admit a Medicare patient.

At the Henley Vaporium in SoHo, guests puff on or “vape” e-cigarettes.

E-Cigarette Shops Open Even as City Cracks Down

By DANIEL KRIEGER

Six electronic-cigarette shops have recently opened in New York City, providing supplies, guidance and something of a scene.

Enrollees at Health Exchanges Face Struggle to Prove Coverage

By ROBERT PEAR and ABBY GOODNOUGH

Many Americans who signed up through the federal marketplace for health care coverage have yet to receive an insurance card, policy number or bill.

Observatory

A Window to Bone Disease in a Shark’s Skeleton

By SINDYA N. BHANOO

The elephant shark’s skeleton is made up largely of cartilage, not bone, and a possible explanation could help in developing treatments for bone diseases like osteoporosis.

Nailah Winkfield seeks to keep her brain-dead daughter, Jahi McMath, on a ventilator.

At Issue in 2 Wrenching Cases: What to Do After the Brain Dies

By BENEDICT CAREY and DENISE GRADY

Two recent cases involving a patient kept alive by ventilator despite a diagnosis of brain death raise questions about exactly what this term means.

Well

Which of these twin sisters is the smoker?

The Well Smoking Quiz: Who Looks Older?

By NICHOLAS BAKALAR

A new study provides photographic evidence for the claim that smoking ages a person prematurely.

Recipes for Health

Coconut Ginger Tea With Lime, Honey and Turmeric

By MARTHA ROSE SHULMAN

Andrew Scrivani for The New York Times

The smell of coconut inspired this infusion.

Promising Drug Trial Lifts Stock of Intercept

Speedskating With Eddy Alvarez

January 9, 2014

For Sleep Apnea Patients, a Possible Alternative to Masks

January 8, 2014

Symptoms of Torn Artery Are Easy to Miss

By JANE E. BRODY

A headache, neck pain or dizziness, seemingly innocuous, may be signs of a vertebral artery dissection, a leading cause of stroke in young adults.

Ask Well

The idea of nail polish as a risky substance gained traction in recent years when public health advocates began a nationwide protest concerning three compounds — often referred to as “the toxic trio” — in leading nail polish brands.

Bounced From Hospice

January 7, 2014

The Getting Was Good

January 2, 2014

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Debrah Reid, who has breast cancer, was assisted by ushers when she felt sick during a service at her church in Memphis.

The Cancer Divide

Tackling a Racial Gap in Breast Cancer Survival

By TARA PARKER-POPE

Advances in treatment have improved survival rates for women with breast cancer in the United States, but the majority of those gains have bypassed black women.