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Hay fever season has returned with the first pollen bomb of the year set to drop on the UK. The Met Office issued its first ‘high’ pollen alert on Tuesday, which covers most of England and Wales .
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Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. [6] It is classified as a type I hypersensitivity reaction . [ 8 ]
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The allergic diseases—hay fever and asthma—have increased in the Western world over the past 2–3 decades. [141] Increases in allergic asthma and other atopic disorders in industrialized nations, it is estimated, began in the 1960s and 1970s, with further increases occurring during the 1980s and 1990s, [ 142 ] although some suggest that a ...
It first became available in the UK on 1 April 1989 when Discovery Channel Europe was launched. It was the first extension of the Discovery Channel outside the United States. [1] Prior to 1993, satellite viewers in the UK could receive the channel from Intelsat satellites at 27.5° West.
It typically develops in adults with hay fever. [1] It is not usually serious. [2] OAS is the result of cross-reactivity between antigens of tree or weed pollen and antigens found in certain fruits and vegetables. Therefore, OAS is only seen in people with seasonal pollen allergies, and mostly people who are allergic to tree pollen. [3]
This is a list of the current channels available on digital terrestrial television (DTT) in the United Kingdom, and those that have been removed.. Almost all channels broadcast on DTT are free-to-air, with a limited number of subscription channels (requiring a subscription to a pay-TV package) and pay-per-view channels (requiring a one-off payment to view an event) also available.