the.com/mood

a weather system you wear, forecasting nothing and explaining everything

means A temporary emotional state that colors how you feel and act for a stretch of time.

from From Old English 'mod,' which meant something far grander than today's passing funk — it covered the mind, heart, courage, and spirit all at once. It's a cousin of German 'Mut' (courage) and shares deep Germanic roots about the inner life. Over centuries the word shrank inward, trading 'the whole soul's temper' for 'how you happen to feel right now.'

brain chemistry
Serotonin and dopamine quietly run your daily emotional weather
gut link
Most serotonin is made in your intestines, not brain
contagious
Moods spread through groups like an emotional yawn
weather effect
Sunlight genuinely lifts mood by boosting serotonin levels
word origin
From Old English mod, meaning mind or courage
for instance

seasonal affective disorder — affects 5% of population in northern latitudes during winter months

bipolar disorder mood episodes — clinical condition with manic and depressive states affecting 2.8% of adults

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