doi: 10.1038/s41467-018-05470-4
Some 8% of cancer patients considered refusing chemotherapy specifically to preserve their hair, according to one study
It ensures your sparkle stays put no smudging, creasing, or fading
However, the efficiency of the retinal redox system decreases significantly with age, increasing vulnerability to oxidative damage over time
And I think also the study that you're referring to, or a related study by Sedlak and Sawa and others in radiology at Hopkins, showed that...they also showed in people they were able to show...to localize that enhanced glutathione by a functional MRI
Chronic illness as well as long term toxic exposure to xenobiotic overload can not only deplete stores of glutathione but also inhibit its production