Bathing in the sea has many benefits to people's health, because the seaside air is fresh, there are many negative ions and plenty of sunshine. Seawater contains a lot of potassium, sodium, sulfur, magnesium and other ingredients, which not only has bactericidal effect, but also can treat skin diseases. The ups and downs of seawater can massage the body and improve the respiratory, cardiovascular, nervous system and muscle functions. The seaside atmosphere has high transparency and strong ultraviolet radiation, which can kill more bacteria, increase vitamin D in human body and contribute to human metabolism and blood circulation. Exercise in seawater can make people inhale more oxygen under the energy and pressure of seawater, and promote the proliferation of red blood cells, white blood cells and protein. Saline seawater can stimulate the skin, treat some skin diseases and increase the luster and elasticity of the skin.
Indications of seawater bath: neurasthenia, obesity, chronic bronchitis, gastrointestinal dysfunction, mild anemia, early hypertension, etc. Contraindications: severe arteriosclerosis, stage II and III hypertension, cerebrovascular accident, liver cirrhosis, nephritis, female menstrual period, etc.
Special attention should be paid to safety when bathing and swimming in the sea. Generally speaking, you should look for a beach with no polluted sand bottom, not a beach with rocks and sharks. At the same time, people who can't swim should bring lifebuoys just in case. Children and students who can't swim must be supervised by adults who can swim.
Some people are far away from the seaside, so it is impossible to take a bath in the sea, but they have created a new fashion-family sea bath, which has solved the problem of taking a bath at the seaside unconditionally. Family seawater bath is also called salt bath, which is of great benefit to patients. Scientists and doctors believe that in ordinary families, as long as there is a bathtub and bathtub, you can take a family sea bath. The method is very simple, just go to the drugstore to buy special sea salt. A bath (1500 2000L) needs 1-3 Jin of salt. Put the salt in a small bag and then put it in the bathtub. After the salt melts, impurities remain in the bag and the water is still clean.