Anabolic steroids are often used illegally to build muscle. But corticosteroids are used to treat a variety of health problems. Learn more about steroids.| medlineplus.gov
Hormones are your body's chemical messengers. They affect many processes including mood. Too much or too little of a certain hormone can have health implications.| medlineplus.gov
Drugs include prescription and over-the-counter medicines, alcohol, tobacco, and illegal substances. Their repeated use or misuse can lead to addiction.| medlineplus.gov
HDL, or high-density lipoprotein, is the "good" cholesterol. It helps to remove bad cholesterol from your arteries, so a higher HDL level is better.| medlineplus.gov