Genetically engineered microbes could create miniature drug factories inside the gut. Do the benefits outweigh the risks?

Every tumor begins with a genetic mutation. Understanding how they occur and what they do may revolutionize cancer treatment.

People with hard-to- treat cancer might get unlikely new allies: 400,000 genetically engineered fruit flies.

n: A run of mutations in a tumor genome that don’t offer any particular survival advantage.

Sometimes prostate cancer is best served by a wait-and-see approach. Yet many patients and doctors can’t stand the thought of doing nothing. What would change their minds?

Peter L. Slavin and Timothy G. Ferris discuss the promise of CAR T cell therapy for solid tumors.

New T cell therapies succeed with a narrow band of cancers. Can they be made to work for the rest of them, too?

Chronic itch is agony, but new treatments that target the neural pathways responsible could finally offer some relief.

A failed birth control drug gives a boost to cancer treatment.

In theory, smart microscopic particles could evade defenders and home in on cancer targets. Will reality catch up to the hype?

Tiny diamonds set loose in the body can promote a sharper MRI image.

Testing cells in the nostril may change how doctors diagnose the deadliest form of cancer.

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Selected Reads

For decades, a tiny encampment of researchers has held that statin treatment is a hoax. In a time when contrarian views roar to life on social media, how can medicine keep minority opinions from doing irreparable harm?

Two years in deep space will subject the body to unprecedented stresses. Scientists are probing the secrets to survival.

A freak explosion tore through the quiet Nova Scotian city, prompting one of the most dramatic medical responses in history.