Smoking without swallowing is also harmful. Smoking without swallowing is not able to prevent harmful substances from entering the body, tobacco can enter the lungs through the nasal cavity, and its harmful substances will remain in the nose, pharynx, mouth and other parts of the gastrointestinal tract with saliva or food, increasing the risk of gastrointestinal diseases. The tar contained in tobacco causes damage to the mouth or pharynx and can increase the chances of developing oral cancer. Nicotine is in the nasal passages and enters the body with the breath, raising blood pressure and increasing the heart rate. To smoke without damage to the organism, you need to quit smoking, and the only solution is to quit smoking. Smoking cessation needs to be carried out under the guidance of a specialized doctor, and in case of discomfort seek medical attention.