title: Ask the doctor.  Are there any cardiovascular benefits to donating blood?  Is it like getting an oil change for your car, with the donation getting rid of old blood cells and the body making new ones?
authors.forename: Richard
authors.initials: R
authors.lastname: Lee
mesh_terms: D001782:Blood Donors; D002319:Cardiovascular System; D004300:Doping in Sports; D006801:Humans