In his Cellular Health Series book, Cancer, Matthias Rath, M.D. explains in simple language, how cancer spreads through the body and why this process, known as metastasis, is the most dangerous stage of cancerÂ’s growth. Dr. Rath outlines a comprehensive nutritional regimen that successfully inhibits the spread of cancer cells in the body dramatically improving the chances of beating this disease. This natural method of treating cancer works without the devastating side effects of conventional cancer treatments and so is a major advance in cancer therapy.