How to escape from someone who physically attacks you: A Tim Ferriss four  2-minute video series

Part I — punches:

Part II — chokes:

Part III — when you’re knocked to the ground:

Part IV — more on when you’re knocked to ground:

How to tell if you’ve just had a stroke: Apply the mnemonic FAST

F =  Face droops on one side
A = Arms cannot hold horizontal position at shoulder height
S =  Speech is slurred
T = Time to call emergency (000, 999, 911) if any one of these signs is present.

The faster you get help, the more brain you save.

Watch this excellent 1-minute video — it explains everything.