Soggetto
- Hopp, Helen P2
- Michigan2
- Nuts2
- Physiological effect2
- Seventh-day Adventists -- Health and hygiene2
- Smoking2
- Social surveys2
- Teenagers2
- Vegetarianism2
- African Americans1
- Alcohol1
- Alcohol -- Physiological effect1
- Beeson, Larry1
- Body piercing1
- Canada1
- Cardiovascular system1
- Cervix uteri1
- Colon (Anatomy)1
- Cover story1
- Drug abuse1