david klow book Inspiration for the Weary Therapist: 9781032251820: Klow, David: Books Back cover. The Blue Zones of Happiness:

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Neurotherapeutics 16 (3), 554568

3 Factors other than ageing that can lower glutathione levels: Chronic stress Smoking and alcohol use Poor and inadequate nutrition Prolonged exposure to environmental toxins Chronic diseases Clinical studies have shown that glutathione deficiency is the primary cause of oxidative stress in older individuals, and that this can be corrected by dietary cysteine and glycine supplementation

doi: 10.1111/pedi.12865 28 De GoffauMCLuopajrviKKnipMIlonenJRuohtulaTHrknenTet al

Yes, particularly when carried out at a recognized, accredited wellness facility like Im-Wellness

[PubMed 2109120] 2029