WARNING: THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM (SEE: WWW.P65WARNINGS.CA.GOV). KEEP OUT OF REACH OF CHILDREN. DO NOT USE IF UNDER AGE 21, PREGNANT, LACTATING, SUFFERING FROM MEDICAL CONDITIONS OR TAKING MEDICATIONS. CONSULT YOUR DOCTOR BEFORE USING THIS PRODUCT. Herbal cigarettes are unhealthy because they produce carbon monoxide and tar. Herbal cigarettes that do not contain nicotine are not safer to smoke than cigarettes that contain nicotine.