'The apostrophe's chequered history poses enormous challenges not only for learners of English, but clearly for native speakers too'. Photo: Alamy What did the apostrophe ever do to deserve this? To ...

Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...

Atherosclerosis—the buildup of plaque in the arteries—can lead to serious health problems like heart attacks, strokes, and peripheral artery disease. While genetics and lifestyle factors play a role, ...