Those white coats doctors wear to keep a professional appearance could actually make you sick.
Studies have shown doctors' clothing may spread infectious diseases to patients.
New recommendations have been issued to help prevent possible contamination.
The guidelines from the Society for Healthcare Epidemiology of America, and published in Infection Control and Hospital Epidemiology, suggest doctors wear short sleeves and no watches, jewelry or ties when seeing patients.
Doctors who are required to wear white coats should have access to multiple coats and all coats should be laundered in hot water after each day.
The guidelines also recommend closed toed footwear for doctors ... and that all shared equipment, like stethoscopes, should be cleaned between patients.