F.D.A. Sharply Limits Approval for Drug Linked to Two Teen Deaths

A gene therapy for Duchenne muscular dystrophy caused complications to the liver, prompting a review of its use for younger patients.

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RFK Jr. Walks a Tightrope on Trump Deal for Obesity Drugs

The weight loss medicines are proving to be a test case for Robert F. Kennedy Jr., the health secretary, in straddling divisions between his supporters and the president.

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What Are Antidepressants Doing to Teen Sexual Development

Research on adults who take S.S.R.I.s shows they tamp down sexual desire. Why aren’t we studying what that could mean for adolescents who take them?

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F.D.A. Names Agency Veteran to Run Drug Division

Dr. Richard Pazdur, who has been the F.D.A.’s top cancer drug regulator, represents a stabilizing choice for an agency reeling under staff cuts and low morale.

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Trump Pardons the Husband of a Republican Congressional Ally

Robert Harshbarger Jr. pleaded guilty in 2013 to health care fraud and distributing a misbranded drug. His wife, Diana Harshbarger, is a member of Congress.

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Merck PCSK9 Pill Results Point to Extremely Low Cholesterol Future

The drug targets the PCSK9 protein, and could give millions of people a more affordable option to reduce their heart disease risk.

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Pfizer to Acquire Obesity Drug Start-Up Metsera in $10 Billion Deal

The announcement of the deal signaled an end to the bidding war for Metsera between Pfizer and Novo Nordisk, the Danish maker of Ozempic and Wegovy.

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Inside China’s Quest to Defy Aging with Longevity Labs and ‘Immortality Islands’

Longevity labs, “immortality islands” and grapeseed pills are part of China’s national project to conquer aging, despite sometimes shaky science and extravagant claims.

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They Can’t Stand Trump. But His I.V.F. Policy Might Help Them Have Children.

Even those opposed to President Trump were encouraged by his announcement of a discount on I.V.F. drugs, a policy that followed months of complex negotiations.

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What Trump’s New Drug Pricing Deal Means for People With Obesity

The president’s agreement with drug companies involves a range of prices, depending on dose, product and how you’re paying.

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