Man who injected himself with venom hundreds of times could revolutionize snakebite treatment

A man who injected himself with snake venom helped create an antivenom that can protect mice from poisonous snakes. Researchers hope for human clinical trials one day.

​ A man who injected himself with snake venom helped create an antivenom that can protect mice from poisonous snakes. Researchers hope for human clinical trials one day. Read More Breaking News, Latest News and Videos | CNN