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Mood disorders found to be are significantly heritable in twin studies so I don’t think one can say the “vast majority” aren’t due to a chemical issue here. It’
by johncolanduoni 6y ago
Mood disorders found to be are significantly heritable in twin studies so I don’t think one can say the “vast majority” aren’t due to a chemical issue here. It’s also worth noting that BDNF is not a neurotransmitter, and so having a direct connection with thoughts and personality seems unlikely, though there is reason to believe it may be downstream of long term psychological stresses.
- loceng 6y agoFair enough, however I'd want to review those studies to see what similarities do exist - even if in different households/environments. Studies that aren't taking into account the relative general lack of health of people in many parts of the world needs to be addressed, accounted for, in research as well. I do understand how some makeups could allow a large amount of people to certainly to be prone to environmental stresses, have a more fragile-sensitive system - and if those factors are allowed to continue say for decades, there will be a hardening.