Tired for weeks? Get it checked

No hack here fixes tiredness with a medical cause. Tired most days, for weeks, while sleeping enough: that's a doctor visit. A normal one.

Common checks include sleep apnoea, where breathing keeps stopping during sleep; anaemia, too few red blood cells, often because iron is low; an underactive thyroid, the gland in the neck that sets the body's pace; and depression. Evidence: decent

Low testosterone can cause tiredness too, but tiredness alone is a weak sign of it, whatever the ads say. Only a morning blood test, usually repeated, tells you. Evidence: decent