Several recent studies have reported an association between endometriosis and dioxin. The United States Environmental Protection Agency reports that there is a close relationship between body dioxin levels and the incidence and severity of endometriosis. Animal fats, such as those found in dairy and meats, are the most common source of dioxins. Endometriosis symptoms typically disappear after menopause, but may be reactivated in women who are given hormone replacement therapy. Several drugs have also been implicated as possible causes of endometriosis.
Senile cataract is a common cause of blindness in elderly people.
Some have advocated that sprouts of alfalfa and some legumes contain toxins and therefore should not be used. A careful analysis of the research suggests that many of these substances are not only safe, but also provide good nutrition. Some peas are said to contain lathyrogen, which causes leg paralysis. Saponins are found in legumes and their sprouts. While these substances are toxic to red blood cells in a test tube they are harmless or even beneficial when eaten, and actually help to lower cholesterol and reduce cancer risks.