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Years After He Quit Smoking, a Lung Cancer Scan Saved His Life

PAULA SPAN

Lung cancer remains the leading cause of cancer deaths in the United States and older adults are at higher risk. But only about a quarter of patients eligible for screening are up-to-date.

Deadly meat allergies from tick bites are on the rise. Should you be worried?

Alpha-gal syndrome is increasing across the U.S., driven by lone star ticks

Is it a problem for cats to eat insects? Researchers are probing feline diets to find out

The sheer amount of insects that free-range cats consume might surprise you

What Is an Aortic Dissection?

GINA KOLATA

The condition that killed Senator Lindsey Graham is deadly, sudden and difficult to treat — “like a knife to the back,” one expert said.