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Chronic stress can disrupt sleep and lower motivation, creating a cycle of tiredness that is hard to break
doi: 10.1111/bpa.12450 3 AliyuM.ZohoraF
Some studies have found an especially strong association between circulating IGF-1 concentrations and the risk of breast cancer in premenopausal but not postmenopausal women
PubMed: 24791752Clinical (RCT / meta-analysis) ref-2.Kumar P, Liu C, Suliburk J, Hsu JW, Muthupillai R, Jahoor F, Minard CG, Taffet GE, Sekhar RV Supplementing Glycine and N-Acetylcysteine (GlyNAC) in Older Adults Improves Glutathione Deficiency, Oxidative Stress, Mitochondrial Dysfunction, Inflammation, Physical Function, and Aging Hallmarks: A Randomized Clinical Trial
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