The Science Behind Hangry: How Low Blood Sugar Leads to Hostile Behavior

TLDR Hangry is a real phenomenon caused by low blood sugar levels that disrupt serotonin production and increase cortisol, leading to moodiness, anger, and potentially hostile behavior. Studies have shown that hungry people are more likely to exhibit aggression towards their partners, rate ambiguous images as negative, and experience increased hostility and negative emotions. Being self-aware of hunger can help prevent hangriness and its associated negative behaviors.

Timestamped Summary

00:00 Hangry is a real phenomenon that occurs when the body's glucose levels are low, leading to a lack of self-control and potentially hostile behavior.
02:06 Hangry occurs when low blood sugar levels disrupt serotonin production and increase cortisol, leading to moodiness, anger, and potentially hostile behavior.
04:39 Hangry has been the subject of numerous studies, including one that measured glucose levels and aggression in couples using voodoo dolls.
06:50 Hungry people are more likely to exhibit aggression towards their partners, as shown by a study using voodoo dolls and another study linking glucose levels to self-control and aggression.
08:54 Hungry people are more likely to rate ambiguous images as negative, but only if they were primed with a negative image first, suggesting that hunger can lead to increased aggression in response to negative stimuli.
10:55 Being hungry can lead to increased hostility and negative emotions, with 56% of negative feelings or irritability being attributed to low blood sugar.
12:54 Being self-aware and acknowledging that you're hungry can help prevent hangriness and the negative behaviors associated with it.
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