Psychology & Psychiatry

Research shows daylight has big impact on cognitive functions

Imagine you are in a laboratory room watching two African grass rats trying to navigate through a maze. One grass rat moves through the course quickly and finds its way out easily. The other struggles and cannot figure out ...

Diseases, Conditions, Syndromes

Mayo Clinic Minute: How to manage hay fever allergy symptoms

Don't be alarmed if you are experiencing seasonal allergies for the first time. While hay fever—also known as allergic rhinitis—often begins in childhood, more adults are being diagnosed, according to the Centers for ...

Immunology

First vaccine developed against grass pollen allergy

Around 400 million people worldwide suffer in some form or other from a grass pollen allergy (rhinitis), with the usual symptoms of runny nose, cough and severe breathing problems. In collaboration with the Viennese firm ...

Immunology

Profilin can induce severe food-allergic reactions

(HealthDay)—Profilins are complete food allergens in food-allergic patient populations that are exposed to high levels of grass pollen, according to a study published in the December issue of Allergy.

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Grass

Grasses, or more technically graminoids, are monocotyledonous, usually herbaceous plants with narrow leaves growing from the base. They include the "true grasses", of the Poaceae (or Gramineae) family, as well as the sedges (Cyperaceae) and the rushes (Juncaceae). The true grasses include cereals, bamboo and the grasses of lawns (turf) and grassland. Sedges include many wild marsh and grassland plants, and some cultivated ones such as water chestnut (Eleocharis dulcis) and papyrus sedge (Cyperus papyrus). Uses for graminoids include food (as grain, sprouted grain, shoots or rhizomes), drink (beer, whisky), pasture for livestock, thatch, paper, fuel, clothing, insulation, construction, sports turf, basket weaving and many others.

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