The Unseen Health Dangers of Floodwaters

Even if the water looks safe, it could be filled with sewage and other hazards.

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Legionnaires’ Outbreak in Harlem Kills 2 and Sickens More Than 50

The source of the illness has not been conclusively identified more than a week after people began getting sick.

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What to Know About Legionnaires’ Disease, Which Has Sickened 58 in NYC

The cases are most likely linked to a cooling tower in central Harlem, health officials said.

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What to Know About Legionnaires’ Disease, Which Has Sickened 22 in N.Y.C.

The cases are most likely linked to a cooling tower in central Harlem, health officials said.

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Scientists are Learning to Rewrite the Code of Life

In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than all natural species do.

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I Left a Plastic Water Bottle in a Hot Car. Is It Safe to Drink?

Experts explain some of the potential risks.

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A 37,000-Year Chronicle of What Once Ailed Us

In a new genetic study, scientists have charted the rise of 214 human diseases across ancient Europe and Asia.

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How Healthy Is Asparagus?

Spring is the peak season for this nutrient-dense vegetable. Here’s how it benefits your body.

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Cabot Creamery Butter Is Recalled Over Fecal Contamination Risk

The company said it was voluntarily recalling 189 cases of its eight-ounce, sea-salted Extra Creamy Premium Butter after it found elevated levels of coliform bacteria.

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For John Green, It’s Tuberculosis All the Way Down

The best-selling author “got a little emotional” while talking with The Times about the world’s deadliest infectious disease. Listen to the conversation.

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