... easy and safe procedure if you are 18 years of age or younger. Also, get vaccinated if you are over 18 and at risk of infection. At-risk people include health care workers, IV drug users, and ... that the life-saving benefits of these drugs outweigh the additional cancer risks years later. It is recommended that people weigh the risks and benefits concerning the use of a drug with the ... home, and workplace, and in food, water, and medical drugs. For this and future reports, visit the National Toxicology Program (NTP) Web site at http://ntp-server.niehs.nih.gov. A longstanding...