Robert Timberg, author of John McCain: An American Odyssey , who has interviewed many POWs who served with McCain, said there's no evidence that he ever collaborated with the North Vietnamese. I've never known of any occasion in which Sen. McCain provided the North Vietnamese with anything of value, Timberg said.
What Causes Hives in Adults-The Immune System: What we do know is that hives in adults has a great deal to do with the immune system. Your immune system can be weakened by years of break outs or flare-ups due to disorders related to thyroid disease and even lupus.
A common cause of hives or welts is an allergic reaction to a molecule found in substances such as food, pollen, poison ivy, soap, lotion, medicine or insect bite. When you are exposed to an allergen, your body responds to it by releasing chemicals, such as histamine. As a result, you can develop a skin rash.