Paul Swiech
Another part of the immune system, the T-cell, may be involved in allergic responses in the skin, as occurs from the oils of plants, such aspoison ivy,poison oak,poison sumac, reactions to metal, such as nickel, or certain chemicals. The T-cell may recognize a certain allergen in a s...
most prevalent in early spring, from January to April, while grass pollen hits its peak between late spring and early summer. From late summer to early fall, weed pollen is the main culprit. However, allergy seasons vary around the world based on climate and the relevant local airborne ...
Do not go outside when pollen counts are high if you have seasonal allergies.Your symptoms may be better if you go outside only in the morning or evening. Use your air conditioner, and change air filters often. Avoid dust, fur, and mold.Dust and vacuum your home often. You may want ...
根据When spring comes,pollen is everywhere in the air.And some people begin to sneeze,itch(发痒)or get a running nose.(春天来临时,空气中到处都是花粉。一些人开始打喷嚏、发痒或流鼻涕。)可知,季节性过敏发生在春天或秋天。故选B。(4)细节理解题。根据Once you know what you are allergic to,the ...
Find out how to help keep indoor allergies in check - including dust mite, mold, and pet dander allergies - so you can enjoy your home all year-round.
of other things, from pollen flying through the air every spring to the fur on pets. Lena is eleven years old and lives in Cambridge, in the UK. She suffers from a severe peanut allergy. Usually my lips swell up, my tongue kind of goes fuzzy...
The cause (原因) for seasonal allergies is mostly the pollen (花粉), and researchers say climate (气候) changes is behind it. As Earth warms, scientists are seeing two big changes to allergy seasons The allergy season is longer and there is more pollen in the air. With warmer winters,...
If gardening is your hobby, consider flowers, trees, and shrubs that are less likely to trigger your allergy symptoms. These types of plants rely on insects for cross-pollination, which are known to have pollen grains that are much heavier and don’t travel through the air quite as easily....
Open windows can bring in unwanted pollen particles, causing sneezing and wheezing despite your efforts at spring cleaning. Change your air filters every three months and use filters with a MERV rating of 11 or 12. Using a cyclonic vacuum helps spin dust and dirt away from the floor. ...