Coral reefs are crucial to the ocean's ecosystem, providing sustenance to a quarter of marine life. Today, more than one third of the world's reefs are deteriorating. What's causing coral reef destruction and possible new remedies to address it.
Physician and best-selling author Andrew Weil on why health-care reform needs to change the entire medical system.
- Dr. Andrew Weil director of the University of Arizona's Program in Integrative Medicine and author of ten previous books, including "Spontaneous Healing," "Eight Weeks to Optimum Health," and "The Healthy Kitchen" with Rosie Daley.
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