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Starvation is a severe deficiency in caloric energy intake, below the level needed to maintain an organism's life. It is the most extreme form of malnutrition . In humans, prolonged starvation can cause permanent organ damage [ 1 ] and eventually, death .
Glucose is a simple sugar and the primary fuel for body cells. It is absorbed from some foods (or produced from starchy ones), absorbed into the cells (for about 2/3 of cells, this is under control of insulin), stored temporarily in the liver as glycogen, made in starvation from the glycerin backbone of triglycerides, and from a few amino acids.
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 December 2024. Group of endocrine diseases characterized by high blood sugar levels This article is about the common insulin disorder. For the urine hyper-production disorder, see Diabetes insipidus. For other uses, see Diabetes (disambiguation). Medical condition Diabetes mellitus Universal blue ...
Hyperglycemia may be caused by: diabetes, various (non-diabetic) endocrine disorders (insulin resistance and thyroid, adrenal, pancreatic, and pituitary disorders), sepsis and certain infections, intracranial diseases (e.g. encephalitis, brain tumors (especially if near the pituitary gland), brain haemorrhages, and meningitis) (frequently ...
Ketoacidosis is most commonly the result of complete insulin deficiency in type 1 diabetes or late-stage type 2 diabetes. Ketone levels can be measured in blood, urine or breath and are generally between 0.5 and 3.0 millimolar (mM) in physiological ketosis, while ketoacidosis may cause blood concentrations greater than 10 mM. [1]
This can occur during states of complete insulin deficiency (such as untreated diabetes) or relative insulin deficiency in states of elevated glucagon and counter-regulatory hormones (such as starvation, heavy chronic alcohol use or illness). [4] Acetoacetic acid and β-hydroxybutyrate are the most abundant circulating ketone bodies.
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[1] [3] [9] The treatment of hypoglycemia unrelated to diabetes includes treating the underlying problem. [3] [2] Among people with diabetes, prevention starts with learning the signs and symptoms of hypoglycemia. [3] [2] Diabetes medications, like insulin, sulfonylureas, and biguanides can also be adjusted or stopped to prevent hypoglycemia.