1.true
2.food can spend between 4 to 6 hours in the intestine
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.
Answer:
the branch of public health concerned with monitoring or mitigating those factors in the environment that affect human health and disease
Explanation:
