The main two factors that control the metabolic rate are

Body size: Metabolic rate increases as weight, height, and surface area increase. Body composition: Fat tissue has a lower metabolic activity than muscle tissue. As lean muscle mass increases, metabolic rate increases. Gender: The basal metabolic rate (BMR) averages 5 to 10 percent lower in women than in men.

Sodium is the answer

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.