1 ) Drugs4U-Information:
2 ) Alternative Medicine:
3 ) General Medicine:
4 ) General Medicine & Drugs Testing Service:

1 ) Drugs4U-Information:
- Erowid Medical
- Mayo Clinic
- Merk Medical
- RealAge Medical
- Stayhealthy Medical
- US FDA Service

2 ) Alternative Medicine:
- Ask Dr. Weil
- Healthworld
- Healthwell
- Herbal Hall
- Herbs Herbals
- NCCAH
- OnHealth Service
- Prevention Ask

3 ) General Medicine:
- Achoo
- Hadin MD
- HealthA~Z
- HealthCentral
- Intelihealth
- Mesh
- Medinex
- UCSF
- World Health Organization
- drCoop
- drKooK
- Healthinder

4 ) General Medicine & Drugs Testing Service:

• Food and Drug Administration - responsible for approving food and drugs for widespread use.
  
• Active Aging: A Lifetime of Good Health - website to celebrate active aging and longevity, in
  honor of the UN designation of 1999 as the International Year of Older Persons.
  
• Center for Biologics Evaluation and Research
  
• Center for Devices and Radiological Health - contains regulations and other information pertaining to medical devices
  and radiological products.
  
• Center for Drug Evaluation and Research (CDER)
  
• Center for Food Safety and Applied Nutrition - ensures that food is safe, nutritious, and wholesome, as well as
  regulating the safety of cosmetics.
  
• FDA Center for Veterinary Medicine
  
• FDA Kids - from All About Animals to All About Vaccines, and lots of stuff in between.
•