| A | B |
|---|
| Adolescence | period of development which occurs around the age of 11 |
| Puberty | period of time between nine and 16 when sexual characteristics develop and sexual organs mature |
| Menstruation (period) | happens usually every month and lasts between three and seven days starting between the ages of 10 and 16 and indicates a girl is physically capable of becoming pregnant |
| Menstrual Cycle | lasts from the first day of one period to the first day of the next period and is typically 28 days long but varies from woman to woman |
| Osteoporosis | disease of bone in which the bone mineral density is reduced, bone microstructure is disrupted; amount and variety of proteins in bone is altered |
| Steroids | Artificially (anabolic steroids) produced hormones that stimulate muscle tissue to grow |
| Fad Diet | a weight loss plan or aid that promises dramatic results |
| Anorexia Nervosa | Ignores feelings of hunger and eats very little or refuses to eat |
| Bulimia Nervosa | Repeated episodes of binging (eating a large amount of food at one time), and then purges (vomits) or takes laxatives to prevent the food from causing weight gain |
| Binge Eating Disorder | Binges, but does not purge or exercise |
| Body Mass Index | a measure of body fat based on height and weight |
| Self-Consciousness | thinking about how others think of you |
| Abstract Thinking | thinking in terms of concepts and principles |
| Metacognition | thinking about thinking itself |
| Introspection | thinking about your own emotions |
