New scientific evidence indicates that lone star tick bites may trigger an allergy to meat in some adults, resulting in an outbreak of hives or potentially fatal anaphylactic shock. Virginia Commonwealth University researcher Dr. Susan Wolver writes in the Journal of Internal Medicine: "Where ticks are endemic...clinicians should be aware of this new syndrome when presented with a case of anaphylaxis. Current guidance is to counsel patients to avoid all mammalian meat—beef, pork, lamb and venison." Discover Magazine, ABC and DoctorsLounge.com.