Because vaccines have healthy viruses that try to get your body to be immune to the diseases so when you are already sick your body won't respond to the vaccine because it's just more viruses
According to google radiation negerlein and nutrients
Placebos are fake medications or treatments that can trick your brain into thinking it's better. Often someone will think they are very sick when they actually aren't, and that's dangerous for the mind so people will give them fake medications. Its of cures and things atet will help seasickness and motion sickness are placebos. You could have a moral dilemma about wether it's actually helping you or if it just feels like it does.
"Poor personal hygiene" is the main and biggest cause of foodborne illness. Personal hygiene is very basic to every individual. It reflects how we bring ourselves and take care of ourselves. It would be a great embarrassment to other people if you smell unpleasant, most especially towards your co-workers and employers.
