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Morning Rounds: Combating Zika, impact of psilocybin, and more

| CBS News chief medical correspondent Dr. Jon LaPook and CBS News medical contributor Dr. Tara Narula join "CBS This Morning: Saturday" to discuss the first possible case of locally transmitted Zika in Texas, the impact of psilocybin, a hallucinogenic drug used on cancer patients dealing with anxiety and depression, and more.