A new generation of aging tests is moving out of specialist labs and into everyday life, promising to tell you how old your body really is, not just how many birthdays you have had. The latest claim ...

Researchers developed and validated a non-invasive urinary microRNA aging clock using extracellular vesicle miRNAs from more ...

Quantum timekeeping is supposed to be the ultimate in efficiency, with tiny devices that tick using the rules of quantum mechanics instead of swinging pendulums or vibrating quartz. Yet new work on a ...

Perhaps no neurologic disorder is feared more than Alzheimer dementia. At least a few times a week, a concerned elderly man or woman comes to my office wondering whether their forgetfulness or loss of ...

The steady tick of a clock usually feels simple and dependable. Something swings or vibrates in a controlled rhythm and marks the passing of each moment. What you rarely notice is the hidden cost ...