Outdoor running can enhance physical fitness, strengthen the adaptation of respiratory system to temperature, enhance immunity, adjust the proportion of white blood cells, macrophages and lymphocytes in blood, and devour cancer cells that may exist in human body. Don't jog too fast so that you can breathe normally. Pay attention to inhale through the nose and exhale through the mouth.

Extended data:

Other exercises to enhance immunity:

1, take a brisk walk

As a national fitness promotion, "walking" is the safest way to exercise, and it is best to walk for 30 minutes every day. Walking can regulate immunity, improve disease resistance and speed up recovery after illness. People who are not used to exercise at ordinary times and seldom exercise should avoid excessive exercise at first, and the exercise time should not exceed 2 hours.

2. Yoga

Thymus is the center of cellular immunity in vivo, located in the thoracic mediastinum. Its main function is to regulate the proportion of T lymphocytes and secrete thymosin, so that the body can maintain cellular immune function and kill foreign bacteria. Many postures and breathing methods of yoga can stimulate the thymus, and improve the body's immune ability by stimulating the secretion of the thymus.

Step 3 swim

Swimming in winter can improve the body's adaptability to cold, stimulate and promote blood circulation and metabolism, improve the sensitivity of body temperature regulation, and enhance the body's adaptability to external cold and hot temperature changes.

On the other hand, when swimming, the blood vessels of the skin contract sharply due to the stimulation of warm water on the skin. After the strong contraction of blood vessels, it is followed by corresponding relaxation, so that blood vessels can be exercised one by one, thus regulating human immunity and improving resistance.

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