Testosterone preparations can change the cholesterol makeup of your blood in a negative way, and drugs like ephedrine can increase blood pressure and heart rate to unhealthy levels. The long-term effects can be serious. In 1994, the United States Congress passed a law allowing dietary supplements to be marketed without warning labels. That means a supplement could be labeled safe but still have some serious potential side effects. What I tell athletes is to eat right, get enough rest and train appropriately, says Chandler, who is certified in sports medicine.
Proper training is far better than taking drugs.
Typically, people get their hands contaminated unknowingly and then rub their eyes or nose, says Dr. Hasan Jafri, an assistant professor of pediatrics at UT Southwestern Medical Center at Dallas. The best way to avoid RSV is to wash hands frequently, and avoid places like busy day-care centers where it can be transmitted easily. Symptoms include nasal congestion, coughing and some fever. In more severe cases, children suffer pneumonia, bronchitis and even respiratory failure. Sufferers have few treatment options besides drinking lots of liquids.