A2 milk: What you need to know
25 Jul 2017 at 4:00pm
What is A2 milk? This new milk on the market is supposedly healthier and easy to digest, but what is the truth? We look at the research.

Accidental poisoning by soap products: What to do
16 Jul 2017 at 10:00am
Accidental poisoning by soap products can result from contact with any kind of chemical soap products. Learn what to do when accidental poisoning occurs.

Dust mite allergy: Symptoms, treatment, and prevention
15 Jul 2017 at 10:00am
Dust mites are a common cause of allergic reactions. Learn about the symptoms of dust mite allergy, how it is treated, and how to prevent it.

Tattoos: Does ink travel through your body?
14 Jul 2017 at 7:00am
After the tattoo needle punctures deep into your skin, most of the ink is lodged firmly in your dermis - but the rest goes on a journey.

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Allergies

An allergy or Type I hypersensitivity is an immune malfunction whereby a person's body is hypersensitised to react immunologically to typically nonimmunogenic substances. When a person is hypersensitised, these substances are known as allergens. The word allergy derives from the Greek words allos meaning "other" and ergon meaning "reaction" or "reactivity". Type I hypersensitivity is characterised by excessive activation of mast cells by immunoglobulin E resulting in a systemic inflammatory response that can result in symptoms as benign as a runny nose, to life-threatening anaphylactic shock and death.

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