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.
Eating disorders such as anorexia nervosa, bulimia nervosa, and overeating develop in people of all shapes and sizes, from all backgrounds and walks of life.Here are three common ways an eating disorder develops:ithout understanding how a mental illness, such as depression, anxiety, or a personality disorder, is affecting you, an eating disorder can develop quickly. Treatment for both can stop eating-disordered behaviors.