New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Hay fever

Allergic rhinitis, also called pollinosis, hay fever or nasal allergies, and often also written together as hayfever, is a collection of symptoms, predominantly in the nose and eyes, that occur after exposure to airborne particles of dust, dander, or the pollens of certain seasonal plants in people who are allergic to these substances.

Note:   The above text is excerpted from the Wikipedia article "Hay fever", which has been released under the GNU Free Documentation License.
Related Stories
 


Science News

December 21, 2024

One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers looking to solve the riddle of how the Universe is expanding. For the past 100 years, physicists have generally assumed that the cosmos is ...
A new study explores how variations in Mars' crustal thickness during its ancient history may have influenced the planet's magmatic evolution and hydrological systems. The research suggests that the ...
While volcanism caused a temporary cold period, the effects had already worn off thousands of years before the meteorite, the ultimate cause of the dinosaur extinction event, ...
California ground squirrels hunt, kill and eat voles, reveals a new study documenting evidence of widespread carnivorous behavior among ...

Latest Headlines

updated 12:56 pm ET