What are the three common food poisoning and further explain how each contaminate food?

Staphylococcus causes illness through food. It gets into food and multiplies while this is happening it releases a toxin. This toxin causes illness.

Clostridium, people can get clostridam food poisoning due to poor food handling like not storing food properly or not cooking food properly there is more than one cause. One type of clostridium bacteria causes severe food poisoning disease called botulism. It is caused by eating contaminated food that contains an extremely dangerous toxin produced by the bacteria clostridium botulism. if not cured the person will die within 3-7 days.

Campylobacter, one can get campylobacter food poisoning by consuming contaminated food and water such as undercooked chicken. Other ways to get this food poisoning is by getting in contact with sick and infected animals and by poor food handling

Her parents start noticing changes about her. she's probably just competive though not on drugs