Book excerpt: "Learn how ingesting cannabinoids, the unique compounds found in the cannabis plant, can protect your health. Research reveals that: longterm marijuana smokers have a reduced risk for developing lung cancer ; the cannabinoid THC suppressed a variety of cancers and higher doses led to greated protection and longer life ; THC is effective for reducing the brain damage associated with Alzheimer's disease ; cannabinoids stimulate the production of healthy new brain cells."--Back cover.