obesity drug news today glp-1 september 22 2025 New weight-loss drugs surge in popularity amid surge in US, worldwide A second helping of weight-loss

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30,31 GLP-1 is an incretin hormone that plays a pivotal role in the meticulous control of human blood glucose levels

Hair, skin, and other non-GI effects Rapid weight loss from any mechanism can trigger telogen effluvium, a temporary increase in hair shedding that occurs when the body diverts resources away from hair follicle maintenance

This also supports the finding that the cardiovascular benefits are not restricted to those agents structurally similar to human GLP-1 but are more likely a class effect that is seen in all GLP-1RAs

Emerging evidence suggests GLP-1RAs may help in: Alzheimer Disease Reduced neuroinflammation Improved neuronal survival Potential slowing of cognitive decline Parkinson Disease Neuroprotective effects Reduced oxidative stress Improved neuronal signaling This area may redefine future neuroendocrine therapeutics