Silencers reduce draw of zombies. suppressors in real life don't make a gun of high caliber completely silent only reduces velocity. This isn't Call Of Duty. Welcome to the real world kids.

connection issue...

It's already known to the developers as reported. Its a bug with the anti battle log. Check with Rocket's and the developer's twitter accounts to get updates.
https://twitter.com/rocket2guns

That's just the Arma physics engine. It happens in Arma 2 and also in the current Arma 3. The Dev's cannot help that for now..

Your character also might be experiencing blood loss. That is one of the symptoms. When you log into any server your current state carry's over to each server you join. Try eating plenty of food and drinking plenty of water to regenerate blood.

I also have this problem with high shelves

Put the can or food item on your hotbar, then press the hotbar number every time you need to eat

Silencers reduce draw of zombies. suppressors in real life don't make a gun of high caliber completely silent only reduces velocity. This isn't Call Of Duty. Welcome to the real world kids.