With cancer rates rising among people under 50, doctors specializing in breast reconstruction say they’re seeing ever-younger women opting to remove their breasts as a prophylactic measure.

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A scientist says his group has precisely edited genes in an embryo, a landmark scientific move that is highly controversial. Though it is a far cry from designer babies, it’s a step in that direction.

Nearly 90% of Americans meet the criteria for cardiovascular-kidney-metabolic syndrome, a disorder defined in 2023 by the American Heart Association. The AHA and three medical societies published the first guidelines for diagnosing and treating the disorder.

Big Medicare insurers often deny requests for nursing home stays, according to a new federal investigation. The findings “raised concerns that some patients may have been denied medically necessary care,” said the lead author of the reports.

More employers are requiring weigh-ins and health coaching before covering GLP-1s for weight loss—or dropping coverage altogether—with as many as one in eight American adults now taking the drugs as pills or injectables.

Fertility rates in the country have been dropping. Here’s how to put what’s happening in perspective.

How many plunge pools are in the palatial Tierra Santa Healing House, which just opened in the cellar of the Faena New York hotel. The 17,000-square-foot wellness center also has four saunas, art installations and a giant shea-butter wheel; here’s what it’s like inside.

• Longevity scientist David Sinclair plans to test whole-body rejuvenation drugs in the XPrize competition. (MIT Technology Review)

• A researcher’s work on Huntington’s disease helped lead to the creation of a genetic test for the condition. Why didn’t she take it herself? (The New York Times)

• A nonprofit is buying an experimental cancer drug to maintain patient access. (STAT News)

The Health newsletter is your weekly guide to all the news that affects your health and well-being. This edition was curated and edited by Conor Grant—send him feedback or questions at conor.grant@wsj.com (if you’re reading this in your inbox, you can just hit reply). Got a tip for us? Here’s how to submit.