Dioxins and furans are some of the most toxic chemicals known to science. A draft report released for public comment in September 1994 by the US Environmental Protection Agency clearly describes dioxin as a serious public health threat.
Precancerous moles are moles that are not yet classified as cancerous but may develop into being cancerous when not given medical attention at the early stage of skin condition. Precancerous lesion is actually a change in skin growth or appearance that is not cancerous.
1 The cluster is generally spindle shaped, and scattered.  This type of mole is most common in children, and usually appears on the face, primarily the cheeks. The moles are tiny, less than one centimeter in diameter, firm in consistency, raised above skin level, and pink or reddish-brown in color.