1. Patients with a history of hypertension or heart disease. Because far-infrared sauna steaming can cause a wide range of blood pressure fluctuations, increase the heart load, it is easy to cause high blood pressure, heart attack, accidents and even life-threatening.
2. After a meal, especially within half an hour after a full meal. Washing the far-infrared sauna immediately after a meal, the blood vessels of the skin expand, and a large amount of blood flows back to the skin, which affects the blood supply of the digestive organs, which is bound to affect the digestion and absorption of food, which is not good for health.
3. When overworked or hungry. When tired and hungry, the body's muscle tone is poor, and its tolerance to cold and heat stimuli is reduced, and it is easy to cause collapse.
4. People with poor heart function, cardiomyopathy, or congenital heart disease are not allowed to use the sauna, and those with cardiovascular disease or potential patients without symptoms, including coronary heart disease, high blood pressure, People with chronic diseases such as hyperlipidemia, hyperglycemia, and hyperviscosity, as well as people with diabetes, obesity, and a family history of heart disease are also not suitable.
5. Elderly people are not suitable for sauna, their body temperature regulation center is not very sensitive, so it is not suitable for sauna.
6. Don't take a sauna when you are overworked or hungry. When people are tired or hungry, muscle tension is poor, and their tolerance to cold and heat stimuli is reduced. It is easy to cause collapse when taking a sauna.