Just How Harmful Is Vaping? More Evidence Is Emerging.

A new study that found high levels of heavy metals in popular nicotine vapes adds to concerns about the products.

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Maybe It’s Not Just Aging. Maybe It’s Anemia.

Significant numbers of older people have the condition. Many find relief with an effective treatment that is being more widely prescribed.

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How Healthy Are Mangoes?

The luscious tropical fruit is packed with flavor — and nutrients.

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Elizabeth Holmes’s Partner Has a New Blood-Testing Start-Up

Billy Evans has two children with the Theranos founder, who is in prison for fraud. He’s now trying to raise money for a testing company that promises “human health optimization.”

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Climate Change Is Stressing the World’s Blood Supplies

Extreme weather disasters, increasing as the planet warms, can curb blood donations while increasing demand, a new analysis found.

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How Blueprint Founder Bryan Johnson Sought Control Via Confidentiality Agreements

That control is starting to fray as Mr. Johnson, a longevity guru known for performing experiments on his body, faces a backlash over the agreements.

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Scientists Describe Rare Syndrome Following Covid Vaccinations

In a small study, patients with the syndrome were more likely to experience reactivation of Epstein-Barr virus and high levels of a coronavirus protein.

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ExThera Claimed Its Device Could Cure Cancer. But Patients Died.

Two U.S. companies teamed up to treat cancer patients using an unproven blood filter in Antigua, out of reach of American regulators.

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What Luxury Longevity Clinics Really Offer

People are paying thousands for exhaustive medical tests and treatments like plasma exchange and peptide therapy. How much does it benefit them?

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How Healthy Is Turkey?

Give thanks for this bird — and its many nutritional benefits.

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