homocysteine glutathione redox Transsulfuration Pathway - an overview Homocysteine: Diagnostic Significance and Clinical

There might be other pathways/genes account for the differences

Rac1 is a member of the Rac family of guanosine triphosphate (GTP) phosphohydrolases (GTPases), which bind both guanosine diphosphate (GDP) and GTP, leading to its inactivation or activation, respectively

10.1016/s0024-3205(97)00291-9 25 CheongK.-L.MengL.-Z.ChenX.-Q.WangL.-Y.WuD.-T.ZhaoJ.et al (2016)

10.1016/j.scitotenv.2019.03.108

This scientific term covers the bad things that happen, such as the death of a loved one, divorce, major changes in relationships, job loss, financial problems, workplace stress, childhood abuse, chronic illness, injury, moving, and transitioning into adulthood.[ref] Reduced sleep quality and quantity have strong links to major depressive disorder

PMID: 31787589