Golf is the answer to this question
Actually cell can get big but they are smart enough to stay small and live off lots of small food, and there isn't enough food for them to live off of (if this is wrong i apologize)
You should wash your hands Before putting on disposable gloves. Washing our hands properly can help prevent the spread of the germs (like bacteria and viruses) that can cause diseases such as: gastrointestinal infections, Salmonella, and respiratory infections such as influenza.
I believe the answer is national state and health standards