>>5739295Hatha Yoga, aka what 99% of people mean when they say yoga, is a set of exercises, with a big enphasis on static poses and stretching. If done correctly, it's beneficial. If done incorrectly, it can be harmful. I noticed a very strong effect when I started doing it, though with time it became less and less noticeable (same story with most other health-related things t b h). I wasn't too serious about it though.
Meditation is also very beneficial when done correctly. Unfortunately, a lot of people attracted to it are schizos to begin with, which gives it a bad name.