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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. The term inanition [2] refers to the symptoms and effects
Starvation response in animals (including humans) is a set of adaptive biochemical and physiological changes, triggered by lack of food or extreme weight loss, in which the body seeks to conserve energy by reducing metabolic rate and/or non-resting energy expenditure to prolong survival and preserve body fat and lean mass.
The signs and symptoms of refeeding syndrome can vary based on the severity of electrolyte disturbances, including weakness, arrhythmias, and respiratory difficulty. Hypophosphatemia, a key feature of refeeding syndrome, may lead to muscle weakness, heart failure, and impaired diaphragmatic function, while hypokalemia and hypomagnesemia can ...
Doctors say they are often unable to treat babies who show symptoms of malnutrition, including breathing problems, chest infections, and severe dehydration, amid dwindling medical supplies.
A woman, man, and child, all dead from starvation during the Russian famine of 1921–1922. A famine is a widespread scarcity of food [1] [2] caused by several possible factors, including, but not limited to war, natural disasters, crop failure, widespread poverty, an economic catastrophe or government policies.
A famine is declared if two adults or four children for every 10,000 people die each day due to outright starvation, or a combination of malnutrition and disease.
The deadliest form of malnutrition is severe acute malnutrition, which occurs when children are too thin for their height. “This can happen suddenly, caused by a severe hunger crisis, or it can ...
Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. [11] [12] Specifically, it is a deficiency, excess, or imbalance of energy, protein and other nutrients which adversely affects the body's tissues and form. [13] Malnutrition is a category of diseases that includes undernutrition and ...