Because in this direction the body is considered as a whole, as a single system, hatha yoga has everything to bring it in a healthy state and keep it flexible for years to come. In India, there are practitioners who are ninety and ninety-five, but they still can easily sit on the splits and do “birch”. In terms of bodily health, hatha yoga in fitness helps: https://www.julianalucky.com/story.

keep joints mobile;
slow down the muscle degeneration that happens with age;
relieve stress;
reduce stress on the nervous system;
improve cardiovascular function;
normalize the functioning of the digestion system;
eliminate back pain and keep the spine flexible, which is a prerequisite for a youthful body;
to improve coordination;
Strengthen muscles without overloading – through a combination of exercise and stretching.
When arguing about the benefits and harms of hatha yoga, among the negative aspects are sometimes cited abuse of this philosophy. Some people use the system of preserving health and finding harmony with the world for their own selfish purposes, for example, by involving their contemporaries in various sects. However, a thinking person will always be able to identify the line that separates philosophy from fanaticism.

Who can do hatha yoga?
This practice is available to all people, without exception. In India, hatha yoga begins in childhood and then practices it throughout life.

However, in some situations it is better to postpone the practice. For example, dynamic asanas should not be performed during an acute infectious disease. Inverted postures are not recommended for women during the first two days of the menstrual cycle. With caution should be practiced after an injury and surgical interventions. During pregnancy, it is important to choose certain exercises, and it is better to practice under the guidance of an experienced instructor.