Day: September 27, 2025

If you are in Russia or plan to travel there, it’s still safe to read us – but you cannot share our articles on social media, link to them or quote them. Here’s what else you need to know.

Ischemia or ischaemia is a restriction in blood supply to any tissue, muscle group, or organ of the body, causing a shortage of oxygen that is needed for cellular metabolism (to keep tissue alive). [3][4] Ischemia is generally caused by problems with blood vessels, with resultant damage to or dysfunction of tissue, i.e., hypoxia and microvascular dysfunction. [5][6] It also implies local …