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  2. Nitrogen deficiency - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_deficiency

    Nitrogen deficiency is a deficiency of nitrogen in plants. This can occur when organic matter with high carbon content, such as sawdust, is added to soil. [1] Soil organisms use any nitrogen available to break down carbon sources, making nitrogen unavailable to plants. [1] This is known as "robbing" the soil of nitrogen. All vegetables apart ...

  3. 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.

  4. Human nutrition - Wikipedia

    en.wikipedia.org/wiki/Human_nutrition

    Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. [1] Poor nutrition is a chronic problem often linked to poverty, food security , or a poor understanding of nutritional requirements. [ 2 ]

  5. Nitrogen hypoxia to execute a human: 'Bloodless, but it won't ...

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  6. Nutrition - Wikipedia

    en.wikipedia.org/wiki/Nutrition

    The first recommended dietary allowances for humans were developed to address fears of disease caused by food deficiencies during the Great Depression and the Second World War. [3] Due to its importance in human health, the study of nutrition has heavily emphasized human nutrition and agriculture, while ecology is a secondary concern. [4]

  7. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    The main elements that comprise the human body (including water) can be summarized as CHNOPS. Element Symbol percent mass percent atoms Oxygen O 65.0 24.0 Carbon C 18.5 12.0 Hydrogen H 9.5 62.0 Nitrogen N 2.6 1.1 Calcium Ca 1.3 0.22 Phosphorus P 0.6 0.22 Sulfur S 0.3 0.038 Potassium K 0.2 0.03 Sodium Na 0.2 0.037 Chlorine Cl 0.2 0.024 Magnesium Mg

  8. Nitrogen balance - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_balance

    Nitrogen is a fundamental chemical component of amino acids, the molecular building blocks of protein. As such, nitrogen balance may be used as an index of protein metabolism. [1] When more nitrogen is gained than lost by an individual, they are considered to have a positive nitrogen balance and be in a state of overall protein anabolism.

  9. Study links mental health risks to this toxin for those born ...

    www.aol.com/study-links-mental-health-risks...

    The researchers analyzed historical data on childhood blood-lead levels, leaded gas use and U.S. population statistics, determining that more than 170 million Americans had "clinically concerning ...