Magnesium quietly powers some of the body’s most essential functions from keeping the heart steady to supporting muscles and mood. How much is enough? And when might supplements matter? Dr. Rob Shmerling answers these questions in this video edition of "Ask the Doc."
Lack of sufficient sleep tends to disrupt hormones that control hunger and appetite, causing you to eat hundreds of extra calories per day — in particular, quickly digested carbohydrates. What’s more, the resulting daytime fatigue often discourages you from exercising.
Leafy greens such as kale, spinach, and collards are rich in brain-healthy nutrients like vitamin K, lutein, folate, and beta carotene. Many of these compounds are antioxidants that can help protect the brain.
In the US, more than a quarter of children and adolescents have ready-to-eat cereal for breakfast most days of the week. Advertising touts cereal as a healthy choice, but a recent study disputes this.