Air levels of pollen and mold spores in the San Francisco Bay Area are elevated for about two more months per year than in past decades, and higher temperatures are to blame, a Stanford Medicine study has found.
Jun 21, 2021
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An international team of researchers has developed a mathematical model for predicting how bad an upcoming hay fever season will be. In their paper published in the journal Science Advances, the group describes their model ...
When airborne pollen levels are higher, increased SARS-CoV-2 infection rates can be observed. These results were determined by a large-scale study conducted by an international team headed by researchers at the Technical ...
Mar 9, 2021
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Allergy season can bring misery to tens of millions of Americans each year.
16 hours ago
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Spring is in the air, and along with it loads of tree, grass and weed pollen.
Apr 9, 2024
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Allergy season is here—and it's earlier and stronger than expected. More than 80 million Americans deal with itchy eyes, runny nose and other symptoms of seasonal allergies, according to the Asthma and Allergy Foundation ...
Mar 22, 2024
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Trees play a big role in how children in cities develop asthma. But it's not as simple as "more trees equals less asthma." It depends on the season: trees decrease the risk of developing asthma during the leafy season but ...
Mar 6, 2024
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Spring allergies bring to mind thoughts of stuffy noses and watery eyes. But allergies actually affect many different and interconnected systems within a person's body, according to the American College of Allergy, Asthma ...
Feb 19, 2024
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Measuring airborne grass allergen levels instead of pollen counts will be more beneficial for hay fever sufferers, as new research shows grass allergen levels are more consistently associated with hay fever symptoms than ...
Jan 8, 2024
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Melbourne lays claim to the unwanted title of being the epicenter of epidemic thunderstorm asthma (ETSA) worldwide, having experienced seven of the 26 recorded events.
Nov 3, 2023
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Pollen is a fine to coarse powder containing the microgametophytes of seed plants, which produce the male gametes (sperm cells). Pollen grains have a hard coat that protects the sperm cells during the process of their movement from the stamens to the pistil of flowering plants or from the male cone to the female cone of coniferous plants. When pollen lands on a compatible pistil or female cone (i.e., when pollination has occurred), it germinates and produces a pollen tube that transfers the sperm to the ovule (or female gametophyte). Individual pollen grains are small enough to require magnification to see detail.
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