Ideas of questionable quality

[Frank_Stein]

Every bite you take increases a meter that occasionally rolls a chance to have you choke on a bite of food.
Conversely, every time you drink a liquid the meter decreases.

When you're choking on food, you'll take damage and be unable to speak, coughing instead

Coughs, using resist, drinking water, or having someone click on you with the help intent to perform the Heimlich maneuver

[BadShot]

Chlorine now causes borgs to rust, rust gives them a noticeable crusty brown layer and slows them down considerably, scaling with the amount of rust until the borg is immobile, this can be fixed temporarily with oil and permanently with fresh steel sheets

Also add Chlorine to pools

[Emimiyu]

A mini robot that does nothing but can be summoned through PDA like securitron. It does nothing but just summonable.