The UN High Commissioner for Refugees, Filippo Grandi, has called for “urgent international support” as the number of forcibly displaced people worldwide reaches 123 million, with ongoing conflicts in ...
A systemic reaction occurs when inflammation spreads from a localized area of one organ (like the skin) to other organ systems in the body. It is different from a localized reaction, which is a ...
Allergies are an immune system reaction to substances called allergens. The cause a range of symptoms from a stuffy nose to itchy eyes to difficulty breathing. How long allergies last varies based on ...