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.
What causes hives? An allergic reaction can trigger hives. Things that commonly trigger an allergic reaction include: Foods: Fruits (especially citrus fruits), milk, eggs, peanuts, tree nuts, and shellfish. Medicines. Insect bites and stings. Animals. Pollen. Touching something to which you are allergic, such as latex. Allergy shots. Other causes of hives are: Infections, including colds and infections caused by some bacteria or fungi. Some illnesses, including a type of vasculitis, lupus, and thyroid disease.