How does bacterial food poisoning happen?

the most common cause of food poisoning are bacterial toxins and generaly not the bacteria itself, usually the toxins are from the bacteria staphylococcus aureus which produce diarrea, stomach pain...

Food poisoning occurs after ingesting food that was not prepared with proper hygenic rules, or was contaminated before it was prepared.

There are many different bacterium. The method is to avoid them, and to retard their growth. Heat does not kill all bacterium. Some bacterium require a lack of oxygen (anaerobic), and other require...

"Chemicals, heavy metals, parasites, fungi, viruses and bacteria can cause food borne illness."

Eat fresh food, don't put any products that must stay in cold temp. too long and be careful when you eat something at restaurant and the take home to eat.