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.
What is an eating disorder? Eating disorders are associated with significant physical complications and increased mortality. The mortality rate for people with eating disorders is the highest of all psychiatric illnesses, and over 12 times higher than that for people without eating disorders. Eating disorders occur in both men and women, young and old, rich and poor, and from all cultural backgrounds.