About 7 percent of kids worldwide have ADHD

This estimate — which differs significantly from other recent appraisals — is based on data from 175 prior studies conducted over nearly four decades. The approximation could help public health officials determine whether ADHD is overdiagnosed or...

Nuts 'reduce heart disease risk'

The study suggests that consuming nuts, particularly peanuts due to their low price, is a cheap way of improving cardiovascular health. Analysis of more than 70,000 people in the US and two groups amounting to more than 130,000 in China found that “nut intake...