Here (from left to right), they're shown on the embryonic skin of a mouse, a snake, a chicken and a Nile crocodile. (discovermagazine.com)
Toxic Chemicals Caused Tumors, Not Capsaicin Researchers at The Hormel Institute, University of Minnesota, treated the skin of mice with a mixture of DMBA (7,12 - dimetylbenz (a) anthracene), TPA (12 - O - tetradecanoylphorbol -13-acetate) and capsaicin. (fieryfoodscentral.com)
Researchers at The Hormel Institute, University of Minnesota, treated the skin of mice with a mixture of TPA and DMBA, two powerful and highly toxic tumor - producing chemicals. (fieryfoodscentral.com)