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GLP-1 medicines are known for their medical effects. Few know about their psychosocial effects.

For many GLP-1 users, the psychological changes are as powerful as the physical changes.

Psychological changes differ across people while falling into eight general categories.

Samantha had enjoyed her weekend cooking ritual for years. Four months into Zepbound (a popular GLP-1 medicine), however, something changed. She stood in her kitchen on a Saturday morning and made the dish she always made. It came out exactly right. But she ate just a quarter of it, put the rest away, and didn't photograph the dish for social media for the first time she could remember. Her cooking ritual suddenly felt empty.

Sam's formerly intrusive food noise was finally gone. She expected to feel liberated. Happier. But what she felt instead was lost, as if she'd accidentally wandered off a well-known trail. Like millions of other people now using GLP-1 medicines, Samantha knew what physical changes to expect from the treatment. But no one prepared her for the psychological changes.

Here is a summary of what recent science tells us about the mental side of the GLP-1 journey.

Within weeks of starting a GLP-1 medicine, the constant background preoccupation with food (the mental negotiating, the anticipatory planning, the low-level demand of appetite) can go from relentless to near-absent.1 Many people describe this change as the most immediate psychological effect of the medicine. But the sudden silence can also reveal the stress, emotions, and problems the food noise was masking. For the unprepared GLP-1 user, freedom from food noise may arrive as a mixed blessing requiring new strategies for managing previously concealed thoughts and feelings.

Many GLP-1 users carry a private burden: the belief that needing this medicine is proof of something they failed to do on their own.2 This feeling is the direct result of decades of cultural messaging that classified weight as a character issue rather than a hormonal one. Public or private, however, the shame many users feel........

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