A kiss feels electric, emotional, and comforting all at once. But what really happens inside your body when you kiss someone? According to a 2021 study published in Archives of Sexual Behavior , kissing activates several brain areas linked to reward, attachment, and pleasure, releasing hormones like oxytocin, dopamine, and serotonin. These chemicals create that familiar mix of warmth, excitement, and connection, proving a kiss is as scientific as it is romantic. When lips touch, more than 30 facial muscles come into play, and over 100 sensory nerve endings send rapid signals to the brain. The lips are packed with sensitive nerve receptors that respond to even the lightest contact. This sensory overload makes a kiss feel thrilling and emotionally charged. The act of kissing sets

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