A study of 91,000 adults finds that consuming 7 grams (1/2 of a tablespoon) of olive oil daily supports heart health and reduces the risk of dying from or developing heart, lung, or brain conditions.

Cardiorespiratory exercise slows brain atrophy and boosts BDNF, a protein needed for creating new neurons. Lower fitness levels were significantly linked to brain tissue changes reflecting atrophy.

Blocking fibrin, a blood-clotting protein, prevents bone loss from deteriorating gums in a study with mice. Fibrin triggers an overactive immune response that damages the gums and underlying bones.

Young women who took four weeks of prebiotic supplements made healthier food choices and consumed 4% less sugar and 4.3% fewer calories from carbohydrates than women from the placebo group.