C) Emociones y endorfinas que se genera al hacer ejercicio

This needs more info

The american academy of pediatrics created guidelines on bioethics, which is based on ethical, professional and legal standards for the betterment of the children. pediatricians are expected to promote high moral standards through compassion, sensitivity and commitment. moreover, bioethics recognizes the dignity and moral status of the child as he/she is increasingly involve in making choices in terms of his/her treatment or care.

Eduacting about clean, responsible and legal food handling

Nicotine. the answer is nichotine