Denver Zoo gorillas being trained to join study on heart health http://www.denverpost.com/news/ci_17427575 Xylitol, a sweetener found in sugarless gum: Poisonous to pets http://news.yahoo.com/s/ac/20110219/us_ac/7896034_fda_warns_pet_owners_of_xylitol_dangers_for_animals Can studying dogs help find the cure for breast cancer? And another reason to spay your dog! http://www.wptv.com/dpp/news/health/medical_breakthroughs/how-canines-could-be-the-key-to-curing-breast-cancer Bears: Can unlocking the secrets to hibernation benefit human medicine? http://www.npr.org/2011/02/18/133849231/hibernating-bears-a-metabolic-marvel?ft=1&f=1007 Having your pets [...]