The mass of an atom relative to that of carbon-12. This is approximately the sum of the number of protons and neutrons in the nucleus. Where more than one isotope exists, the value given is the abundance weighted average. Isotopes. Atoms of the same element with different numbers of neutrons.
Eating disorders. Eating disorders are abnormal eating habits that can threaten your health or even your life. They include: Anorexia nervosa: Individuals believe theyâre fat even when theyâre dangerously thin and restrict their eating to the point of starvation.
Unusual Eating Disorders. Pica Eating Disorder. Pica is a type of eating disorder in which people have unusual cravings and ingest non-food items such as paper or soap. This occurs in people with anemia or zinc deficiency, during pregnancy, those with developmental disabilities, as well as people with epilepsy. It is mostly seen in younger children however it is also seen in adults.