A New State Law Signed Into Affect Allowing The Use Of Cannabis Oil Is Helping A Greeneville Girl. Penelope McCall Suffers From Infantile Seizures. Her Doctor Prescribed The Cannabis Oil, Which Is A Derivative Of Marijuana. This Would Have Been Illegal To Possess Several Weeks Ago. The Oil Is Being Used To Treat Patients With Seizures And Epilepsy. Penelope’s Mother, Ellen McCall, Said She’s Seen Improvements Since Beginning The Treatment With Her Daughter. The Medication Is Not Available In The State But With The Recommendation Of A Doctor, It Can Be Imported From Other States.