Home > Medical > Allergy Allergy Pollen allergies increase women's leukaemia risk A study suggests that women with pollen allergies may be at increased risk for blood cancers such as leukaemia and lymphoma. Are you allergic to your cellphone? Allergy facts vs. fiction Spring time - grey days for allergy sufferers Immunotherapy for insect-sting allergy See All Allergy News » Allergy Overview How are allergies treated? Who is at risk for allergies? What are allergies? How are allergies diagnosed? What are the causes and symptoms of allergies? What is Allergy? An allergy is an abnormal sensitivity or reaction of your immune system to a substance (an allergen) that you eat, inhale or touch. Non-allergic people can usually tolerate this substance. Nearly 50% of all people who suffer from allergies have hay fever. If both parents have allergies, their children are more likely to develop an allergy, although not always the same kind of allergy. Take Action Quiz Why am I so tired? » Subscribe Allergy Newsletter » Join Body Talk » Ask CyberDoc » Common allergens What's in a sneeze? advertisement About allergy How to cope with seasonal allergies Zero tolerance: is it an allergy? Food allergy a rising global health problem Allergies and pregnancy See All About allergy » Health tips Efferflu C Immune Booster Eight villains to avoid Dairy and allergies: be alert Put a stop to sinusitis See All Health tips » Kids and allergies Tips to prevent food allergies in children Rapid increase in child food allergies Food allergy and atopic dermatitis 10 facts about pets, allergies and kids See All Kids and allergies » What happens to my body Allergies – it’s war Hay fever Why does my nose cause such trouble? Anatomy of a sneeze See All What happens to my body » Allergy triggers Hay fever: take the sting out of spring Fight Spring allergies Don't let allergies spoil Valentine's Day Main allergy triggers See All Allergy triggers » How healthy is your home Make your bedroom allergy safe Free from house-dust mites Visit the Healthy Home Centre Facts about dust mites See All How healthy is your home » Prevention Massage away allergies A dust mite free home Fight the common mould allergy A sneeze could be deadly See All Prevention » From our sponsors Your retirement - a healthy mindset So many people, why so alone? You can still enjoy the sweet things in life Take the sugar test, it could save your life.