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Hives (urticaria) are raised, itchy welts on the skin that can vary in size and shape, often appearing suddenly and sometimes migrating across different body areas

EpiMatrix can be used to assess HLA binding likelihood to individual HLA-DR supertype alleles and therefore to generate predictions broadly applicable to a global population

### Semaglutide Mechanism of Action Semaglutide achieves **weight loss** through multiple complementary pathways: - **Central appetite suppression** acts on hypothalamic GLP-1 receptors to reduce hunger and increase satiety - **Delayed gastric emptying** slows stomach emptying, prolonging feelings of fullness - **Improved insulin sensitivity** reduces insulin resistance and promotes healthy glucose metabolism - **Reward pathway modulation** reduces cravings and food-seeking behavior by acting on mesolimbic dopamine circuits - **Potential direct effects on adipose tissue** emerging research suggests GLP-1 may directly influence fat metabolism For a complete breakdown of semaglutide's dosing protocol, see our [semaglutide dosing schedule week-by-week guide](/guides/semaglutide-dosing-schedule-week-by-week-guide)

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The adverse effects of the other cannabinoids that are becoming popular (e.g., CBD, CBG, CBN) are less well-known