Stomach and intestinal problems

4 important questions on Stomach and intestinal problems

Why does your digestion stops when being stressed?


parasympathetic NS is low
sympathetic NS is on
--> stops digestion quickly
For saving fuel, because it normally costs 10-23% is consumed by digestion

What happens in body concerned digestion while being stressed?

- less saliva (spit): dry mouth
- less appetite
- stomach stops movement, less mucus & bicarbonate (acid buffer)
- stomach secretes less enzymes and acids
- small intestine (ileum) stops peristaltic movements
- absorption stops
- reduced blood supply to stomach and intestines
- quick emptying of colon (large intestine)/ rectum and bladder

What happens to your appetite while being stressed?

Two stress hormones play a role but have opposite effects:
CRH dampens appetite --> so not hungry while flying
Cortisol stimulates appetite --> to restore after stress
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What happens when you go trough the stress-recovery-cycles frequently with your appetite?

More often high cortisol--> more appetite --> obesity

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