Histamines are chemicals that your body makes up to help get rid of something that’s bothering you. in relation to allergies, histamines help you get rid of by coughing, sneezing, itching, etc.
I’d say the most logical answer would be B.
The experience of stress in the past magnifies one’s reactivity to stress in the future.
I think that it's important because it gives the brain a time to register than you're done. Also prevents you from overeating.
