The basics of how the heart works and what heart disease is from the Health Guru.
This video is from the National Heart, Lung and Blood Institute
Dr. James O'Keefe, Preventive Cardiologist with Cardiovascular Consultants of the St. Luke's Mid America Heart Institute explains how your diet can prevent heart disease.
A very short, basic look at cancer from biodigital.com
How radiation therapy works as a treatment for cancer. From Nucleus Medical Media.
Chemotherapy as a treatment for cancer. From Nucleus Medical Media.