The term parietal refers to the walls of a cavity.
Lactose intolerant is the inability to digest sugar in dairy products. Lactose intolerance is usually caused by a deficiency of an enzyme in the body called lactase.
When you have Contaminated water you Boil it. so I guess it's cooking everything you eat that comes from the soil and what you eat
Since I don't know what the NOT answer is then let's talk about what WILL prevent food borne illness; it will be a process of elimination on your end.
1) proper food storage; refrigerated below a certain degree
2) proper food preparation; not cutting meats & vegetables on same cutting board; cooking meats to right internal temperature
3) proper hand washing of food handlers; wash after using bathroom, wash hands after handling meats; wash hands after handling money before preparing food.
4) keep mouth & nose covered with a mask if have allergies or cold so germs are not spread to food & then to consumers.
Without enough sleep, your brain and body systems won’t function normally.Sleep deprivation also negatively affects your mental abilities and emotional state. Lack of sleep also affect risk of injury because it interferes with judgment.