Scientists develop “aging clocks” for individual cell types using a single blood test
Lower sugar intake in the first two years of life linked to lower dementia risk later in life
Report: The world risks facing a new wave of the HIV epidemic
Study: Up to five cups of coffee a day may be not only safe but potentially beneficial
Sleep problems after 50 may shorten working life by almost a year
Scientists discover why skin becomes less able to repair itself with age
