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The Golden State Killer Is Tracked Through a Thicket of DNA, and Experts Shudder

The Golden State Killer Is Tracked Through a Thicket of DNA, and Experts Shudder

A photomicrograph of a male karyotype. Privacy and ethical concerns are rising after a genealogy website was used to identify a suspect in the Golden State Killer cases.

Is This Tissue a New Organ? Maybe. A Conduit for Cancer? It Seems Likely.

Is This Tissue a New Organ? Maybe. A Conduit for Cancer? It Seems Likely.

Does interstitial tissue deserve to be classified as a new organ? Researchers disagree.

A Common Virus May Play Role in Alzheimer’s Disease, Study Finds

A Common Virus May Play Role in Alzheimer’s Disease, Study Finds

New research suggests that certain viral infections could accelerate an immune response increasing the accumulation of amyloid, the protein in human brains which forms the plaques of Alzheimer’s.

Patients Eagerly Awaited a Generic Drug. Then They Saw the Price.

Patients Eagerly Awaited a Generic Drug. Then They Saw the Price.

A Teva Pharmaceutical drug manufacturing facility in Jerusalem. The company announced earlier this month it would sell a generic version of the drug Syprine at a lower price, but it’s hardly a bargain.

F.D.A. Accuses Juul and Altria of Backing Off Plan to Stop Youth Vaping

F.D.A. Accuses Juul and Altria of Backing Off Plan to Stop Youth Vaping

Altria’s deal to purchase 35 percent of Juul Labs gives the fast-growing e-cigarette start-up access to the tobacco giant’s shelf space in 230,000 retailers.

Brain Surgery in 3-D: Coming Soon to the Operating Theater

Brain Surgery in 3-D: Coming Soon to the Operating Theater

A surgical team led by Dr. David Langer at Lenox Hill Hospital in Manhattan operated on arteries in the brain of Anita Roy of the Bronx. The surgeons used a videomicroscope, a novel device that puts a magnified, high-resolution 3-D image on a screen so that an entire team may see the progress of the operation.

When a Health Insurer Also Wants to Be a Hospice Company

When a Health Insurer Also Wants to Be a Hospice Company

Humana’s decision to purchase two hospice outfits puts it squarely in the middle of the debate over whether for-profit companies can deliver quality hospice care.

Readers Respond: ‘The Biggest Loser’

Readers Respond: ‘The Biggest Loser’

Sean Algaier, a pastor from Charlotte, N.C., was a contestant on “The Biggest Loser.” He went from 444 pounds to 289 but now his weight is up to 450 again, and he is burning 458 fewer calories a day than would be expected for a man his size.

High-Fat Diet May Fuel Spread of Prostate Cancer

High-Fat Diet May Fuel Spread of Prostate Cancer

A color-enhanced scanning electron microscope image of prostate cancer cells. A new study suggests that dietary fat may feed prostate tumors and help them spread.

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.

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.

She Went to Jail for a Drug Relapse. Tough Love or Too Harsh?

She Went to Jail for a Drug Relapse. Tough Love or Too Harsh?

Julie Eldred relapsed while on probation, and was sent to jail. Justices are weighing whether the probation requirement to stay clean constitutes cruel and unusual punishment.

Trump’s New Plan to Dismantle Obamacare Comes With Political Risks

Trump’s New Plan to Dismantle Obamacare Comes With Political Risks

The Justice Department has asked a court to throw out major elements of the Affordable Care Act, including the individual mandate and the popular provision that protects those with pre-existing medical conditions.

In San Francisco, Opioid Addiction Treatment Offered on the Streets

In San Francisco, Opioid Addiction Treatment Offered on the Streets

Dr. Barry Zevin, center, with Mark Farrell, the former mayor of San Francisco, left, and Chris Ruffino, a substance abuse counselor, when they announced the city’s street treatment program in May.

F.D.A. Approves First Drug Designed to Prevent Migraines

F.D.A. Approves First Drug Designed to Prevent Migraines

Robin Overlock experienced frequent, debilitating migraines that would last days. After participating in a clinical trial for a new drug designed to prevent migraines, she says she now has only occasional headaches.

Blood Pressure Medicine Is Recalled

Blood Pressure Medicine Is Recalled

Batches of the drug valsartan were recalled because of possible contaminants.


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