Cortisol test: what it is for, preparation and reference values

Cortisol test: what it is for, preparation and reference values

The cortisol test is indicated to check whether there are problems with the adrenal or pituitary glands, such as tumors, congenital adrenal hyperplasia and Addison’s disease, as cortisol is a hormone produced and regulated by these glands. Cortisol is a hormone that helps control stress, reduce inflammation, improve the functioning of the immune system and […]

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Colonoscopy: what it is, what it is for, preparation and how it is done

Colonoscopy: what it is, what it is for, preparation and how it is done

Colonoscopy is an exam that assesses the health of the intestine, and is mainly indicated to identify the presence of polyps, intestinal cancer or other types of changes in the intestine such as colitis, varicose veins or diverticular disease. A colonoscopy exam is normally recommended by a gastroenterologist when there are symptoms that may indicate […]

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