Given the reported anti-inflammatory effect of TREM2 in the brain, the R47H substitution may lead to an increased predisposition to AD (Jonsson et al., 2013

Signs requiring medical assessment: Contact your GP or healthcare provider if you experience: Persistent or worsening pain at the injection site lasting more than a few days Significant swelling, warmth, or spreading redness these may indicate infection (cellulitis) Hard lumps or skin changes that do not resolve Abscess formation (pus-filled swelling) Allergic reactions widespread rash, hives, facial swelling, or difficulty breathing (call 999 if severe) Systemic symptoms to monitor: While not directly related to injection site technique, be aware of Wegovy's common adverse effects: Gastrointestinal symptoms (nausea, vomiting, diarrhoea, constipation, abdominal pain) Signs of pancreatitis (severe, persistent abdominal pain radiating to the back) Symptoms of gallbladder problems (right upper abdominal pain, jaundice) Hypoglycaemia symptoms if taking other diabetes medications Seek medical advice if severe or persistent vomiting/diarrhoea leads to dehydration People with diabetes should report visual changes promptly When to seek urgent help: Call 999 or attend A&E if you develop: Severe allergic reaction (anaphylaxis) Severe, unrelenting abdominal pain Signs of severe infection (high fever, rigors, rapidly spreading redness) Preventing injection errors requires a combination of proper training, careful technique, and awareness of potential pitfalls

Am J Clin Nutr 2005;81:1411-1416
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The alarmins IL-1 and IL-33 differentially regulate the functional specialisation of Foxp3+ regulatory T cells during mucosal inflammation
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