FROM OUR EXPERTS
What Is Cockroach Allergy?
When most people think of allergy "triggers," they often focus
on plant pollens, dust, animals and stinging insects. In fact,
cockroaches also can trigger allergies and asthma.
Cockroach allergy was first reported in 1943, when skin rashes
appeared immediately after the insects crawled over patients' skin.
Skin tests first confirmed patients had cockroach allergy in
In the 1970s, studies made it clear that patients with cockroach
allergies develop acute asthma attacks. The attacks occur after
inhaling cockroach allergens and last for hours. Asthma has
steadily increased over the past 30 years. It is the most common
chronic disease of childhood. Now we know that the frequent
hospital admissions of inner-city children with asthma often is
directly related to their contact with cockroach allergensthe
substances that cause allergies. From 23 percent to 60 percent of
urban residents with asthma are sensitive to the cockroach
The beginning of summer kicks off the camping and hiking season, anxiously awaited by those who have endured a long cold winter. This year will likely prove to be one of the busier camping seasons as many Americans bypass more expensive vacations that involve pricey airline tickets or gas guzzling road trips. Emergency department staff will probably see a greater number of people with contact dermatitis caused by exposure to poison ivy, poison oak or poison sumac. Many people have never seen poison ivy , or perhaps wouldn't recognize it if they saw it. Poison ivy, poison oak and poison sumac belong to the plant genus Toxicodendron (previously referred to as Rhus ). Toxicodendron means "poisonous tree." These plants have an oil-based substance in the resin on their leaves and in their stems and branches called urushiol that causes a delayed skin reaction in about 50% of people that contact it. Urushiol may cause severe contact dermatitis in people that have previousl...
Definition Aging changes in the skin are a group of common conditions and developments that occur as people grow older. Alternative Names Wrinkles - aging changes; Thinning of skin Information Skin changes are among the most visible signs of aging. Evidence of increasing age includes wrinkles and sagging skin. Whitening or graying of the hair is another obvious sign of aging. Your skin does many things. It protects you from the environment, helps control your body temperature and fluid and electrolyte balance, and contains nerve receptors that allow you to feel sensations such as touch, pain, and pressure. Although skin has many layers, it can be generally divided into three main parts: The outer part (epidermis) contains skin cells, pigment, and proteins. The middle part (dermis) contains blood vessels, nerves, hair follicles, and oil glands. The dermis provides nutrients to the epidermis. The inner layer under the dermis (the subcutaneous layer) contains sweat glands, some hair follicles, blo...
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