Having kids can fight brain aging — the more children, the better

Think having kids drains your brain? Think again. A new study suggests that those sleepless nights and stressful mornings might actually be keeping your mind young and sharp. Researchers analyzed the brain scans of 19,964 women and 17,607 men from the UK and found that people who had children showed slower cognitive decline as they aged compared to those with fewer or no kids. “The regions that decrease in functional connectivity as individuals...