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adolescence: Developmental transition between childhood and entailing major physical, cognitive, and psychosocial changes. |
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puberty: Process by which a person attains sexual maturity and the ability to . |
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trend: Trend that can be seen by observing several generations, such as the trend toward earlier attainment of adult height and sexual maturity, which began a century ago. |
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adolescent growth spurt: Sharp increase in and that precedes sexual maturity. |
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sex characteristics: Organs directly related to reproduction, which enlarge and mature during adolescence. Compare sex characteristics. |
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sex characteristics: Physiological signs of sexual maturation (such as breast development and growth of body hair) that do not involve the sex organs. Compare sex characteristics. |
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spermarche: Boy's first . |
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menarche: Girl's first . |
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gonadarche: Maturation of or . |
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nervosa: Eating disorder characterized by self-starvation. |
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nervosa: Eating disorder in which a person regularly eats huge quantities of food and then purges the body by laxatives, induced vomiting, fasting, or excessive exercise. |
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substance : Repeated, harmful use of a substance, usually alcohol or another drug. |
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substance : Addiction (physical or psychological, or both) to a harmful substance. |
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gateway drugs: Drugs such as alcohol, tobacco, and marijuana, the use of which tends to lead to use of more drugs. |
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sexually transmitted diseases or infections (STDs): Diseases spread by sexual contact; also called diseases. |
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