GTA San Andreas - Falling with Health Cheat

If you fall off of a high cliff or building, (one that would kill you) and do the health cheat right as you hit the ground, usually your timing will be bad and you will just die, but three things can happen other than that:

1. you will die, but your health will be filled

2. you won't die on impact with the ground, but it will make another crunching sound a few seconds later and you will die.

3. You won't die. (requires perfect timing or a lot of luck)