Builds strength and flexibility in body, mind, and soul. Fascinating to study. From Tai Chi to Muay Thai to Krav Maga, there's a martial art for you, whoever you may be. Cons: Finding the one (Art, instructor, dojo, what-have-you) for you can be a daunting task. If it isn't Tae Kwon Do or Karate, you're probably going to have trouble finding classes at all.
useful! it will make you a lot safer and some people find it calming as well as empowering and good exercise. Cons: expensive classes. everyone and their dog sets themselves up as a martial arts instructor.