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Write A Short Summary On Pollen Allergy (in 150 Words) (only In English)
please Help! ASAP
Jawaban: #1:
Jawaban:
What is a pollen allergy?
Pollen is one of the most common causes of allergies in the United States.
Pollen is a very fine powder produced by trees, flowers, grasses, and weeds to fertilize other plants of the same species. Many people have an adverse immune response when they breathe in pollen.
The immune system normally defends the body against harmful invaders — such as viruses and bacteria — to ward off illnesses.
In people with pollen allergies, the immune system mistakenly identifies the harmless pollen as a dangerous intruder. It begins to produce chemicals to fight against the pollen.
This is known as an allergic reaction, and the specific type of pollen that causes it is known as an allergen. The reaction leads to numerous irritating symptoms, such as:
sneezing
stuffy nose
watery eyes
Some people have pollen allergies year-round, while others only have them during certain times of the year. For example, people who are sensitive to birch pollen usually have increased symptoms during the spring when birch trees are in bloom.
Similarly, those with ragweed allergies are most affected during the late spring and early fall.
About 8 percent of adults in the United States experience hay fever, according to the American Academy of Allergy, Asthma, and Immunology (AAAAI).
About the same percentage of American children were diagnosed with hay fever in 2014, according to the National Health Interview Survey, conducted by the U.S. Department of Health and Human Services.
The allergy is unlikely to go away once it has developed. However, symptoms can be treated with medications and allergy shots.
Making certain lifestyle changes can also help relieve the symptoms associated with pollen allergies.
A pollen allergy may also be referred to as hay fever or allergic rhinitis.
What are the different types of pollen allergies?
There are hundreds of plant species that release pollen into the air and trigger allergic reactions.
Here are some of the more common culprits:
Birch pollen allergy
Birch pollen is one of the most common airborne allergens during the spring. As the trees bloom, they release tiny grains of pollen that are scattered by the wind.
A single birch tree can produce up to 5 million pollen grains, with many traveling distances of up to 100 yards from the parent tree.
Oak pollen allergy
Like birch trees, oak trees send pollen into the air during the spring.
While oak pollen is considered to be mildly allergenic compared to the pollen of other trees, it stays in the air for longer periods of time. This can cause severe allergic reactions in some people with pollen allergies.
Grass pollen allergy
Grass is the primary trigger of pollen allergies during the summer months.
It causes some of the most severe and difficult-to-treat symptoms. However, the AAAAI reports that allergy shots and allergy tablets can be highly effective in relieving symptoms of grass pollen allergies.
Ragweed pollen allergy
Ragweed plants are the main culprits of allergies among weed pollens. They’re the most active between the late spring and fall months.
Depending on the location, however, ragweed may begin spreading its pollen as early as the last week of July and continue into the middle of October. Its wind-driven pollen can travel hundreds of miles and survive through a mild winter.
What are the symptoms of a pollen allergy?
Pollen allergy symptoms most often include:
nasal congestion
sinus pressure, which may cause facial pain
runny nose
itchy, watery eyes
scratchy throat
cough
swollen, bluish-colored skin beneath the eyes
decreased sense of taste or smell
increased asthmatic reactions
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