Lactic acid was once believed to be the cause of sore muscles after exercise. It’s not. Another substance, lactate, contributes. However, what causes muscle burn and pain is more complex. Staying ...

Certain health conditions, diet, and genetics can cause high levels of uric acid. Avoiding alcohol and limiting some foods and beverages may help lower levels. Uric acid is a natural waste product ...

Ferulic acid is an antioxidant compound in plant cells. Manufacturers add it to certain skin care products to help reduce inflammation and signs of aging and even the skin’s tone. Experts generally ...