JAMA

Exercise Improves Youth Heart Health Without Changing Weight, JAMA Study

Exercise Improves Youth Heart Health Without Changing Weight, JAMA Study

A major JAMA Pediatrics study of 12,000 young people finds moderate to vigorous exercise improves heart and metabolic…

Lucas Silva
October 13, 2026 · 7 min read

Just 1,000 More Steps a Day Linked to Better Mental Health in Teens, Study Finds

Just 1,000 More Steps a Day Linked to Better Mental Health in Teens, Study Finds

A JAMA Network Open study of 5,500+ youths found higher daily step counts at ages 11-12 linked to…

Sophie Janssen
October 12, 2026 · 7 min read