Health News:
Families will make case for vaccine link to autism
Feds: Teen use of pot can lead to dependency, mental illness
Flu vaccine makers to set new doses record for next season
US offering to help China in fight against viral infection
77 more hepatitis cases may trace to clinic, officials say
South Korea to double Tamiflu stockpile
Medical know-how raises suicide risk for doctors
More than half of US diabetics have arthritis
Chantix recommended to quit smoking despite safety concerns
Armstrong urges Congress to renew war on cancer