doi: 10.1159/000491967 Summary Keywords serine, inflammation, infection, respiratory diseases, PHGDH Citation Li P, Wu X, Huang Y, Qin R, Xiong P and Qiu Y (2025) L-serine metabolic regulation and host respiratory homeostasis
GLP1 Medication Bottom Line GLP-1 receptor agonists are not a trend or a celebrity weight loss shortcut
For Vitamin B12, levels below 200 pg per mL indicate deficiency
Track GLP-1 prescribing trends with all-payer claims data As research into GLP-1s continue to expand the indications for this therapy, payer and employer coverage policies will keep evolving alongside patient behavior
While some research participants appear to experience appetite-related changes within approximately one week, others may require two to four weeks or longer before consistent changes are documented