Last week, I had a shocking cold. Blocked nose, sore throat, and feeling poorly. This made me think about the countless vitamins and supplements on the market that promise to ease symptoms of a cold, help you recover faster, ...
Aug 6, 2018
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A runny or stuffy nose can be a symptom of the flu, a cold or allergies, and it can be hard to discern which one you have. So how do you know what's really going on with your nose?
Jan 22, 2018
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Harry Potter author JK Rowling says a breathing technique has helped her coronavirus-like respiratory symptoms, a claim that has been widely reported and shared on social media.
Apr 8, 2020
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If you can't stand broccoli, celery or kale, you may be a supertaster, and it just might protect you from COVID-19.
May 25, 2021
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It sounds like the plot of a 1950s science fiction movie: normal, helpful bacteria that begin to eat their host from within, because they don't get what they want.
Nov 17, 2016
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Anyone watching their waistline this holiday season may want to pay attention to what their gut bacteria are eating. It's not just calories that matter in a healthy diet—it's fiber that resists digestion by the body but ...
Dec 21, 2017
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(Medical Xpress)—A research team, led by Jeremy Barr, a biology post-doctoral fellow, unveils a new immune system that protects humans and animals from infection.
May 20, 2013
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Worldwide, hundreds of millions of people are impacted by chronic respiratory disease. COPD alone affects more than 250 million people, causing 3 million deaths each year. People with chronic respiratory diseases typically ...
May 13, 2020
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Pain has been long recognized as one of evolution's most reliable tools to detect the presence of harm and signal that something is wrong—an alert system that tells us to pause and pay attention to our bodies.
Oct 14, 2022
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The human gut is home to microorganisms that outnumber our cells by a factor of 10 to 1. Now, discoveries by scientists at the Oklahoma Medical Research Foundation have redefined how the so-called gut microbiome operates ...
Oct 22, 2020
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In vertebrates, mucus (adjectival form: "mucous") is a slippery secretion produced by, and covering, mucous membranes. Mucous fluid is typically produced from mucous cells found in mucous glands. Mucous cells secrete products that are rich in glycoproteins and water. Mucous fluid may also originate from mixed glands, which contain both serous and mucous cells. It is a viscous colloid containing antiseptic enzymes (such as lysozyme), immunoglobulins, inorganic salts, proteins such as lactoferrin, and glycoproteins known as mucins that are produced by goblet cells in the mucous membranes and submucosal glands. This mucus serves to protect epithelial cells in the respiratory, gastrointestinal, urogenital, visual, and auditory systems in mammals; the epidermis in amphibians; and the gills in fish. A major function of this mucus is to protect against infectious agents such as fungi, bacteria and viruses. The average human body produces about a litre of mucus per day.
Bony fish, hagfish, snails, slugs, and some other invertebrates also produce external mucus. In addition to serving a protective function against infectious agents, such mucus provides protection against toxins produced by predators, can facilitate movement and may play a role in communication.
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