Rabbi Elimelech Goldberg, known as Rabbi G, has helped more than 5,000 kids kick cancer by learning martial arts. Photo by NBC News. Image sourced from NBC News. Available at: https://media-cldnry.s-nbcnews.com/image/upload/t_fit-560w,f_auto,q_auto:best/newscms/2016_20/1090271/rabbi-martial-arts-today-tease3-160517.jpg