Daily exposure to indoor fragrances is drawing growing concern as clinicians report rising allergies, asthma, and air quality ...

Ever since 2009, the U.S. Centers for Disease Control and Prevention (CDC) has followed a fragrance-free policy. In part, this move was meant to inspire other public institutions to also institute ...

Poison ivy, fragrances, and medications are some common substances that can cause an allergic reaction rash. The rash may vary in size and severity, depending on its cause. A person can treat most ...

A hypersensitivity reaction happens when the immune system mistakenly identifies harmless substances as harmful. There are several types of hypersensitivity reactions, depending on the class of ...