Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Discovery Health This Discovery Channel site features current health news, a section on diseases and conditions, encyclopedias on diseases, injuries, surgery, and medical tests, and links to further references such as MEDLINE, a medical dictionary, and clinical trials. Find articles by physicians about health topics and calculators for calories burned by activity, basal metabolic rate, blood alcohol content, body mass index, cost of smoking, and heart rate. http://health.discovery.com/ Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *