I Had No Idea This One Neurotransmitter Changes Everything We Know About Aging

Serotonin is historically linked with depression — and poor sleep as well — since serotonin is the precursor to melatonin and folks who are low in serotonin are likely low in melatonin too. (Which sucks because as I blog about here, folks struggling with depression are only likely to have the depression resolve if they are sleeping well.) But today’s medical study truly blew me away, because it reveals that serotonin isn’t just linked with depression and sleep, but with cognition.   In fact, this study suggests that the decline in cognition and memory issues as we age isn’t simply …

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