Low activity by the immune system: This claim asserts that if only the body's immune system were strong enough, it would kill the "invading" or "foreign" cancer. Unfortunately, most cancer cells retain normal cell characteristics, making them appear to the immune system to be a normal part of the body. Cancerous tumors also actively induce immune tolerance, which prevents the immune system from attacking them.
Gymnema Sylvestre is a vine native to Central & South India. Used in traditional Indian medicine since the 6th century BC, the leaves of this plant contain ‘gymnemic acids’ that have the amazing ability to slow down the transport of glucose from the intestines to the bloodstream. Some scientists even believe that Gymnema Sylvestre extract can help repair and regenerate pancreatic beta cells that produce insulin!
Many therapies have been (and continue to be) promoted to treat or prevent cancer in humans but lack good scientific and medical evidence of effectiveness. In many cases, there is good scientific evidence that the alleged treatments do not work. Unlike accepted cancer treatments, unproven and disproven treatments are generally ignored or avoided by the medical community, and are pseudoscientific.
In 2008, the United States Federal Trade Commission acted against companies that made unsupported claims that their products, some of which included highly toxic chemicals, could cure cancer. Targets included Omega Supply, Native Essence Herb Company, Daniel Chapter One, Gemtronics, Inc., Herbs for Cancer, Nu-Gen Nutrition, Inc., Westberry Enterprises, Inc., Jim Clark's All Natural Cancer Therapy, Bioque Technologies, Inc., Cleansing Time Pro, and Premium-essiac-tea-4less.