If any of the below apply to you, consult your physician prior to sauna use: Cardiovascular Issues, Obesity or Diabetes; Hemophiliacs / Individuals Prone to Bleeding; Alcohol & Drug Abuse; Fever & Insensitivity to Heat; Recent Joint Injuries; Pacemakers / Defibrillators; Medications – Individuals who are using prescription drugs should seek the advice of their personal physician since some medications may induce drowsiness, while others may affect heart rate, blood pressure and circulation.