我15岁,体重50公斤,身高157,学习中等,长相平凡,想长高,想变瘦,也想更漂亮,想学习更好,我知道这些都是后天能改变的,谁能帮助我?"健康自爱青少年正处在生长发育的旺盛时期,每天摄入的食物,除了维持正常的生理活动之外,还要为生长发育提供足够的能量。在人的一生中,身高的增长有两个高峰期,第一个高峰期在出生至一岁以前,第二个高峰期在青春发育早期。在这两个时期,由于生长速度较快,对能量和各种营养素的需求明显 I am 15 years old, weighing 50 kg, height 157, medium learning, looks ordinary, want to grow taller, want thinner, also want to be more beautiful, want to learn better, I know these are the day after tomorrow can change, who can help me? Healthy self-love Teenagers are in a period of vigorous growth and development, daily intake of food, in addition to maintaining normal physiological activity, but also for the growth and development to provide enough energy in a person’s life, height growth of two In the first peak, before the first year of birth, the second peak is in early puberty, during which time the demand for energy and various nutrients is marked by the rapid growth rate