My mother has Alzheimer's disease. The most important nutrition concern would be prevention of weight loss. I know my mother struggles strongly with that.
Diffusion.
diffusion is passive, and the oxygen and carbon dioxide move to the area of lower concentration
First, because you need to be careful of what you are eating and should not eat.
Second, if you don't care about what you eating it could be really dangerous.
I believe this is Endometriosis because endometrial tissue building up is what causes this.