https://www.thepositivepsychologypeople.com/winter-blues-vs-winter-excitement/ Positive Psychology for Everyone Fri, 22 Jan 2016 07:20:09 +0000 hourly 1 https://www.thepositivepsychologypeople.com/winter-blues-vs-winter-excitement/#comment-821 Thu, 21 Jan 2016 20:16:57 +0000 http://www.thepositivepsychologypeople.com/?p=4485#comment-821 Interesting idea! People with seasonal affective disorder produce higher than normal amounts of melatonin and tend to have lower levels of dopamine and norepinephrine but this is attributed to lack of daylight. Another theory is that winter blues are caused by lack of vitamin D. I love this dopamine theory — it makes a lot of sense.

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