Certain strains of Staphylococcus aureus are highly resistant to antibiotics and can be deadly. New research shows that a probiotic can destroy them.

Medical professionals often advise people with gastroesophageal reflux disease (GERD) to cut caffeine from the diet. However, little scientific evidence suggests that everyone with GERD should avoid caffeine. Learn more here.

Many factors influence the speed of a person’s metabolism, including their muscle mass, activity level, and genetics. There are several ways to boost metabolism, including eating at regular times, trying high-intensity interval training, and reducing stress. Here, learn about these and other strategies.