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The eyelids protect the eyes from foreign objects and help maintain eye moisture. However, the effects of aging, exposure to environmental factors, and genetic predisposition can decrease the aesthetic appearance of the eyes and can somet...
Duration: 01:03
Published: 11/17/2015
Inflammatory bowel disease, or IBD, is characterized by the overexpression of multiple pro-inflammatory cytokines in the gut. Many cytokines that promote inflammation rely on janus kinases, or JAKs, to activate intracellular signaling. Ther...
Duration: 01:36
Published: 10/17/2019
Rheumatoid arthritis is characterized by the presence of multiple proinflammatory cytokines, which stimulate inflammation. Biological disease-modifying antirheumatic drugs can bind soluble cytokines or soluble receptors in the extracellular...
Duration: 02:20
Published: 8/9/2019
Tumor Mutational Burden, or TMB, has the potential to be used as a biomarker. It is used to measure the number of mutations found in a tumor. The mutations in a tumor lead to the derivation of neoantigens, which are proteins that result fro...
Duration: 01:31
Published: 8/9/2019
The sensation of pain often conveys that damage has occurred to tissue in the body. Pain signals follow a neural pathway from the point of damage to the spinal cord and up to the brain. However, in Central Sensitization Syndrome, the magnit...
Duration: 00:44
Published: 8/9/2019
Viruses are infectious agents that grow and multiply in living cells and can cause diseases. The Zika virus is typically spread to humans through contact with mosquitoes. The mosquito species that transmit the Zika virus have distinct blac...
Duration: 01:46
Published: 9/14/2016
The female breast is primarily composed of fatty tissue and mammary glands. Mammary glands drain into the lactiferous sinus, which connects them to the nipple. During pregnancy, mammary glands swell in order to accommodate milk production. ...
Duration: 00:58
Published: 11/16/2015
During the digestive process, the foods that we eat are converted into glucose, commonly known as blood sugar. Glucose circulates in the bloodstream and is used as food for the body's cells. But the cells cannot absorb glucose alone. A hor...
Duration: 01:32
Published: 11/16/2015
An allergy occurs when the body reacts to substances it can't tolerate. The substances, like tree pollen or dust mites, are called environmental antigens, or allergens, and are normally harmless. But the immune system of a person with aller...
Duration: 01:30
Published: 11/16/2015
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