Short bursts of purposeful activity — such as walking around the block or lifting small weights — may be the best way to get in the habit of exercising. Bite-sized bits of exercise also improve heart ...

A study found that nine minutes of high-intensity interval exercise improved word recognition fluency in children ages 9–12. Researchers say the quick workout also boosted brain efficiency in ...

Cortisol plays an important role in how the body manages stress. Low levels of cortisol in the morning have been found in children and adolescents with ADHD, and this pattern has been associated with ...