Silibinin, a drug derived from milk thistle, destroys lung cancer in mice, investigators at the University of Colorado, Denver report in the Journal of the National Cancer Institute. Lead investigator Dr. Rana P. Singh told Reuters Health, "We have been studying milk thistle components, silymarin and silibinin, to examine their efficacy and mechanisms against different...cancers for over a decade." In the current study, Singh's team injected mice with a chemical called urethane to induce lung cancer. The animals then received diets containing different doses of silibinin. "We obtained pure silibinin from Sigma Chemical Co., and silibinin diets were commercially prepared...