Not dangerous. According to the data of yoga fitness instructors, private yoga instructors are all one-on-one, and the instructors can guide the movements one-on-one, which is more careful and serious. In addition, yoga instructors have registered personal information in formal institutions, which is very reliable. Coaches in this industry are generally very professional. Secondly, they treat every student equally, there is no danger, and the organization management is strict and safe. Yoga originated in India and can be traced back to ancient Indian civilization around 3000 BC.