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  2. Protein–energy malnutrition - Wikipedia

    en.wikipedia.org/wiki/Proteinenergy_malnutrition

    Proteinenergy undernutrition (PEU), once called proteinenergy malnutrition (PEM), is a form of malnutrition that is defined as a range of conditions arising from coincident lack of dietary protein and/or energy in varying proportions. The condition has mild, moderate, and severe degrees.

  3. Starvation response - Wikipedia

    en.wikipedia.org/wiki/Starvation_response

    However, the body can selectively decide which cells break down protein and which do not. [citation needed] About 2–3 g of protein must be broken down to synthesize 1 g of glucose; about 20–30 g of protein is broken down each day to make 10 g of glucose to keep the brain alive. However, to conserve protein, this number may decrease the ...

  4. Calorie - Wikipedia

    en.wikipedia.org/wiki/Calorie

    The unit is most commonly used to express food energy, namely the specific energy (energy per mass) of metabolizing different types of food. For example, fat (triglyceride lipids) contains 9 kilocalories per gram (kcal/g), while carbohydrates (sugar and starch) and protein contain approximately 4 kcal/g. [29] Alcohol in food contains 7 kcal/g. [30]

  5. Specific energy - Wikipedia

    en.wikipedia.org/wiki/Specific_energy

    It is also sometimes called gravimetric energy density, which is not to be confused with energy density, which is defined as energy per unit volume. It is used to quantify, for example, stored heat and other thermodynamic properties of substances such as specific internal energy , specific enthalpy , specific Gibbs free energy , and specific ...

  6. Malnutrition - Wikipedia

    en.wikipedia.org/wiki/Malnutrition

    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.

  7. A key protein may help Ozempic users retain muscle mass ... - AOL

    www.aol.com/key-protein-may-help-ozempic...

    By analyzing a large database of human tissue samples, they found that muscle cells contain high levels of a protein called BCL6, suggesting it may also play a significant role in regulating ...

  8. Caloric deficit - Wikipedia

    en.wikipedia.org/wiki/Caloric_deficit

    A permanent severe deficit, on the other hand, which contains too few calories to maintain a healthy weight level, will eventually result in starvation and death. To reduce 1 kg (2.2 lbs) of weight, about 7000 kcal deficit is required. [9]

  9. Nutrition - Wikipedia

    en.wikipedia.org/wiki/Nutrition

    All macronutrients except water are required by the body for energy, however, this is not their sole physiological function. The energy provided by macronutrients in food is measured in kilocalories, usually called Calories, where 1 Calorie is the amount of energy required to raise 1 kilogram of water by 1 degree Celsius. [27]

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