Identify three main points in the given article.
1. Jiu jitsu is an originally Japanese martial art that focuses on grappling and includes throws and locks for self-defense in both street and competition settings.
2. Practicing jiu jitsu provides both physical and mental benefits including rigorous physical conditioning, falling skills, and self-defense techniques.
3. Jiu jitsu training builds strength, endurance, and flexibility, while falling skills learned in training can be applied to real-life situations. Jiu jitsu techniques can also be used to defend oneself and loved ones in dangerous situations.