You could spend years mastering Kenpo only to find you should have been a Judo disciple.
Kajukenbo
Five masters of five disciplines came together to create this.
Yes, that gives it the most awesome backstory.
via kajuaz.com
Even better, it created one of the most utilitarian martial arts available.
The intent was, literally, to create a street fighting martial art specifically for dirty brawling.
The whole philosophy is one of effectiveness and survival, leaving no room for cute flourishes or honorable combat.
Eye gouging, groin punishment, ear tearing, finger breaking, and joint mauling are encouraged.
It teaches how to use your frame to land a hard blow with your full weight behind it.
It teaches you to stick and move to keep opponents off balance.
Its useful for everyone with a fist and the fundamentals apply across the board.
While boxing is centered almost wholly on striking, these two work on grappling.
Especially important for women who want to help combat sexual assault.
WhatKyusho-Jitsuemploys on is pressure point combat, which is truly nasty.
Kyusho-Jitsu uses the body against itself, injuring nerves and joints with tiny pushes.
If thats the case, get a gun and learn to use it.
When working with a handicap or advanced age, its necessary to use every trick and tactic handy.
All of those things are beneficial to your mental and physical health.
Plus, being calm in combat is as important if not moreso than knowing how to fight.