About This Source - Reuters
Reuters is an international news organization owned by Thomson Reuters. It employs some 2,500 journalists and 600 photojournalists in about 200 locations worldwide. The agency was established in London in 1851 by the German-born Paul Reuter.
Recent from Reuters:
Dr. Anthony Fauci, director of National Institute of Allergy and Infectious Diseases at National Institute of Health, participates in conversation with director of global health policy at Center for Strategic and International Studies think tank.
Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled.
Get the latest news on: http://reuters.com/
Follow Reuters on Facebook: https://www.facebook.com/Reuters
Follow Reuters on Twitter: https://twitter.com/Reuters
Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en
In This Story: Allergy
Allergies are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. Symptoms may include red eyes, an itchy rash, sneezing, a runny nose, shortness of breath, or swelling.
Common allergens include pollen and certain foods. Metals and other substances may also cause problems. Food, insect stings, and medications are common causes of severe reactions. Their development is due to both genetic and environmental factors.
Treatments for allergies include the avoidance of known allergens and the use of medications such as steroids and antihistamines. In severe reactions injectable adrenaline (epinephrine) is recommended.
Allergies are common. In the developed world, about 20% of people are affected by allergic rhinitis, about 6% of people have at least one food allergy, and about 20% have atopic dermatitis at some point in time. Depending on the country about 1–18% of people have asthma. Anaphylaxis occurs in between 0.05–2% of people.