I am a 22 years old student who are strongly considering either Judo or Kyokushin Karate. However, i do have some questions, that i hope someone here can answer. 1. How efficient is Judo in a self defense situation (Im a very skinny man, one of the reasons taking up martial arts is the ability to defend myself) 2. I am doing bodybuilding 2 split routine at the moment and have been doing it for some time and considering that im around 60-62 kg, i would say i have decent enough strength (Benchpress: 65 kg, Squat 65 kg and Deadlift: 80 kg) How would it affect my Judo game and will i be able to continue to do bodybuilding, while im doing judo? 3. I have read a lot about of how Judo is essentially the football version of MA, it takes its toll on your body and i had an surgery to my right meniscus and some irritation / pain at my: lower back, left shoulder and neck. None of them are obviously very serious, but would Judo mess me even more up? 4. If Judo have a really deep learning curve and im 22 years old, wouldn´t it be wiser to take up Kyokushin instead? Of course, i am well aware of the fact that everything takes time, but i almost get the impression of that unless you have been practicing Judo from a very young age, you are not going to get real efficient it.