I appreciate that it is difficult to sometimes explain Science to the general public (there is a fine line between 'informing' and 'talking down') but the choice of wording can be crucial. The recent BBC coverage of a 'protein' that could reduce the chances of a person infected with Covid-19 needing to be placed on a ventilator is a case in point (https://www.bbc.co.uk/news/health-53467022?at_custom3=BBC+News&at_custom1=%5Bpost+type%5D&at_custom2=facebook_page&at_medium=custom7&at_custom4=FD96E832-CA53-11EA-836B-BEF5FCA12A29&at_campaign=64). The material Interferon 𝛃 is, indeed, a protein (as are 'antibodies', 'enzymes' and some 'hormones') but it is a very specific arrangement of amino acids (the 20 or so basic building blocks of all proteins). I suspect that most members of the general public see proteins as food substances (like steak) or the supplements taken by body builders. Interferon 𝛃 is a protein, classed as a cytokine, of the type that the body produces when challenged by a foreign protein (like components of a virus). The compound has been used (with some success) in the treatment of patients with multiple sclerosis (an inheritance-linked condition where a patient's nerve coverings are progressively damaged such that movement becomes difficult). In the study, giving this cytokine as a nasal spray, apparently reduced the odds of needing to be placed on a ventilator by 79% (whatever that means). This potential benefit is very interesting and (like the dexamethasone treatment) needs to be followed up but eating extra protein will not give anyone extra protection!
This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Tuesday, 21 July 2020
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