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In June 2025 , a meta-analysis of brain imaging studies published in Psychopharmacology reveals that individuals with major depressive disorder exhibit significantly lower glutathione levels in the occipital cortex compared to healthy controls

215 Herein, we describe the multiple possibilities whereby an enhanced cysteine transport and metabolism enables various types of cancer cells to adapt to the challenging tumour microenvironment, and to thrive, proliferate and acquire chemoresistance