For every girl diagnosed with ADHD, up to seven boys are diagnosed. Researchers looked at risk factors, the role of genetics, and mental health for clues.
Childhood adversity doesn't just affect our choices – according to new research, it also weakens the body's fundamental ability to stay healthy in old age.
We asked four of our regular economics writers to examine a key theme they expect to flare up in 2018 and why.
Kids need to play outside for a number of reasons, but there may even be benefit for their eyes. Here's how sunlight helps prevent nearsightedness, or myopia.