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.
The medical name for hives is urticaria. Hives are a common sign of an allergic reaction. Hives can also occur due to other causes, including a viral infection. Hives are raised bumps, called welts or wheals, on the skin. Hives can be small or large and can occur anywhere on the body. Hives are itchy. Hives can occur due to an acute allergic reaction to an allergen.