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  2. Malnutrition - Wikipedia

    en.wikipedia.org/wiki/Malnutrition

    As of June 2021, 1.9 billion adults were overweight or obese, and 462 million adults were underweight. [26] Globally, two billion people had iodine deficiency in 2017. [36] In 2020, 900 million women and children had anemia, which is often caused by iron deficiency. [37] More than 3.1 billion people in the world – 42% – were unable to ...

  3. Iron-deficiency anemia - Wikipedia

    en.wikipedia.org/wiki/Iron-deficiency_anemia

    Iron-deficiency anemia is anemia caused by a lack of iron. [3] Anemia is defined as a decrease in the number of red blood cells or the amount of hemoglobin in the blood. [3] When onset is slow, symptoms are often vague such as feeling tired, weak, short of breath, or having decreased ability to exercise. [1]

  4. Nutritional anemia - Wikipedia

    en.wikipedia.org/wiki/Nutritional_anemia

    Nutritional anemia can be caused by a lack of iron, protein, vitamin B12, and other vitamins and minerals that are needed for the formation of hemoglobin. However, Iron deficiency anemia is the most common nutritional disorder. [7] Signs of anemia include cyanosis, jaundice, and easy bruising. [7]

  5. 8 vitamins and supplements for weight loss backed by science

    www.aol.com/8-vitamins-supplements-weight-loss...

    Others at risk of vitamin B12 deficiencies include older people, those with anemia or digestive disorders, ... If you're struggling to lose weight and are overweight, have obesity, and/or have ...

  6. Vitamin B12 for Weight Loss: Does It Work? - AOL

    www.aol.com/vitamin-b12-weight-loss-does...

    A study of 976 people found that low levels of vitamin B12 were connected to a higher risk of overweight or obesity. ... vegan or vegetarian or have a medical condition like pernicious anemia ...

  7. Iron deficiency - Wikipedia

    en.wikipedia.org/wiki/Iron_deficiency

    Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen ...