INSUFFICIENT SLEEP APPEARS TO BE ASSOCIATED WITH GLAUCOMA, a leading cause of blindness. That is the conclusion of researchers examining more than 400,000 individuals.

You probably got the Silicon Valley (USA) reference, but if not, here is your go-to book (full disclosure — I would love it if...

More attention is given to systolic blood pressure (the first number) as a major risk factor for cardiovascular disease for people over 50.

Getting tested is the only way to find out if you have HIV. Early testing is important. If you have HIV, starting treatment early with today’s antiviral drugs may help you live decades longer and lower the risk of passing HIV to your partners.