allergies. The most common cause is pollen (花粉), which is usually produced by trees in the spring, grasses in the summer and weeds in the fall, as part of their reproductive process. Other causes include organisms, chemicals, plants and dead skin particles (微粒) from dogs and cats can...
阅读理解. An allergy is a strong reaction to a substance. Many things can cause allergies. The most common cause is pollen , which is usually produced by trees in the spring, grasses in the summer and weeds in the fall, as part of their reproductive proc
An allergy is a strong reaction to a substance. Many things can cause allergies. The most common cause is pollen , which is usually produced by trees in the spring, grasses in the summer and weeds in the fall, as part of their reproductive process.Other
Address allergies. If your child has allergies, you'll usually notice other signs, too: red and itchy eyes, itchy skin, and sneezing are among the signs. The most common allergens affecting children are dust mites, animal dander, pollen, and mold. Advertisement | page continues below Teac...
over again. If you’ve got allergies, life probably could be a lot more fun right about now. It’s also probably annoying to have to explain to your not-allergy-having friends that you’re not actually sick–your greatest weakness is just plant dust. What’s up with pollen allergies, ...
Polluted air and steadily rising temperatures are linked to health effects ranging from increased heart attacks and strokes to the spread of infectious diseases and psychological trauma.
Allergies to environmental triggers like pollen have already been treated with shots called immunotherapy in which the patients were injected with small amounts of the allergen. This was supposed to build up patients' tolerance and reduce or eliminate allergic symptoms. However, such treatment was to...
Dry eye disease is common but it's not always simple. If eye drops aren't helping, you'll want to see an eye doctor to determine the root cause. Barbara SadickFeb. 12, 2025 2025 Best Ambulatory Surgery Centers The second edition of the ASC ratings will feature several methodological refin...
Pollen.com is the leading provider of allergy forecast information on the internet. Our goal is to offer you accurate and timely information to help you manage your allergies, and to provide you with access to the most useful personal allergy information available, through the innovative use of ...
Seasonal allergies are most common in the spring and summer, when there is pollen from blooming flowers, trees, and grasses. While less common, you can also experience allergies in the winter. Common winter allergens mainly come from things that are indoors, such as dust mites, molds, and ...