About Herbs, Botanicals, & Other Products has been launched by the Memorial Sloan-Ketterling Cancer Center.

This is a great starting point for finding definitive information on medical use of many nature-derived products and natural healing techniques, including:

• Zinc (and many other vitamins and minerals)
• Willow Bark
• Massage Therapy

The alphabetical list of their articles is a great starting point.  The articles focus on cancer treatment, but the information and resources will offer insight for a broad range of questions.

found via ResourceShelf