What causes spotting before a period?

Spotting before a period is generally harmless, and there is not always an obvious cause. However, spotting is sometimes an early sign of pregnancy or an indication of hormonal changes in the body. Spotting is light, irregular bleeding from the vagina that is noticeable but not substantial enough to soak a pad or liner. Spotting…

Phys Ed: How Exercise Affects Our Memory

A single, moderate workout may immediately change how our brains function and how well we recognize common names and similar information, according to a promising new study of exercise, memory and aging. The study adds to growing evidence that exercise can have rapid effects on brain function and also that these effects could accumulate and…