A positional headache is one that occurs when sitting or standing and improves when lying down. Bending, sneezing, lifting, and straining may also cause it. It often results from a leak of ...

Benign positional vertigo (BPV) is the most common cause of vertigo, the sensation of spinning or swaying. It causes a sudden sensation of spinning, or like your head is spinning from the inside. You ...

Discussions of the character of the Russian war in Ukraine have increasingly adopted terms such as “stalemate” and “attritional” to describe the state of the conflict. Both terms draw parallels with ...