A 2002 report from researchers at Hirosaki University in Japan found rats ate up diets very high in glutamate (as much as 20%) suffered eye damage. Lead researcher Hiroshi Ohguro stated the findings would possibly clarify why, in eastern Asia, there’s a excessive rate of normal-stress glaucoma.
Another therapy that has trialled moderately is changing the inhabitants of the intestine. Yogurts can change the consistency so the organism doesn’t grow so fast, whereas permitting the helpful organisms to go about their business unmolested. The yogurt strains that are in the product encourages this process.