These products are not recommended for persons below 18, heart patients, nonsmokers, pregnant or breastfeeding women, diabetic or asthmatic persons. These products contain a safe proportion of nicotine, propylene glycol, and inhalants. Strongly prohibited for persons having nicotine allergy, asthma, high blood pressure or any other serious disease. In case of often use, if some kind of problems like nausea, vomiting, dizziness, diarrhea, weakness and rapid growth in blood pressure or heartbeat occurs, you must stop the use of the product and consult a physician immediately. Do not use these products for any kind of diagnosis or to cure any disease. Keep out of reach from children or pets, might cause them serious hazards. Heavy use of nicotine can be toxic for your health and if exposed externally can cause eye or skin problems. If exposed externally, wash immediately with soap and water. Smart Smoke India products are not marketed for use as smoking cessation products. Yumvape Electronic Cigarettes are not approved by the American FDA.