"Actually, evidence has shown that peppers may have some beneficial properties. Capsaicin--the predominant capsaicinoid--has been found to work as an anticoagulant, thus possibly helping prevent heart attacks or strokes caused by blood clot. Small amounts of capsaicin can produce numbing of the skin and have a anti-inflammatory effect. In some countries, peppers are used in salves.

"Moreover, peppers are high in vitamin A and C, which, in turn, may be effective in protecting against cancer. Vitamin C is an antioxidant, a chemical substance capable of removing the threat from free radicals, which can cause cells to mutate.... (p.141)."

"By weight, green bell peppers have twice as much vitamin C as citrus fruit; red peppers have three times as much. Hot peppers contain even more vitamin C, 357 percent more than an orange. And red peppers are quite a good source of beta carotene

http://www.lifeplusvitamins.com/chili-peppers-vegetables-nutrition.htm