Food Selection Physiological Factor
Physiological factors affect the body’s need and desire for food. If the body is to remain healthy and function correctly it must have adequate amounts of food containing the essential nutrients. The impact of physiological of food selection and habits amongst individual falls into 3 main categories; Hunger, appetite and nutritional requirement.
Hunger may be defined as that feeling of emptiness, weakness or pain caused by a lack of food. It becomes more intense as time passes, until we are able to think of little else but food. Some foods provide enough fullness while others leaves you still feeling hungry. While appetite is the desire for food even when the body is not hungry. This is triggered by the sight of appetising food, the aroma of food in preparation or presentation, and even the mention of food in conversation. Unlike hunger, if appetite is not satisfied it will eventually go away even if you haven’t consumed any food.
Nutritional requirement generally falls into 5 categories; Age/Gender, Body size/type and heredity, health status, level of activity and reaction to food.
During our life, the body undergoes specific growth stages which required certain nutrients to maintain and carry out specific functions within the body to regulate growth process. Babies required high amounts of calcium and protein for the growth of bones, hardening of bones and iron for brain development. Special formulas have been created to retain these nutrients for parents who are unable to provide these nutrients or cannot breastfed. Teenagers are a time for rapid growth and major physical change form child to a mature adult. The nutritional demands for adolescents are protein, calcium, B-group vitamins, minerals are greatly increased to provide for growth of bones, muscles/tissues and increase in blood volume. Gender affects our selection because of biological activities such as menstruation and childbirth mean that females need to have a higher intake of iron and calcium,
Hunger may be defined as that feeling of emptiness, weakness or pain caused by a lack of food. It becomes more intense as time passes, until we are able to think of little else but food. Some foods provide enough fullness while others leaves you still feeling hungry. While appetite is the desire for food even when the body is not hungry. This is triggered by the sight of appetising food, the aroma of food in preparation or presentation, and even the mention of food in conversation. Unlike hunger, if appetite is not satisfied it will eventually go away even if you haven’t consumed any food.
Nutritional requirement generally falls into 5 categories; Age/Gender, Body size/type and heredity, health status, level of activity and reaction to food.
During our life, the body undergoes specific growth stages which required certain nutrients to maintain and carry out specific functions within the body to regulate growth process. Babies required high amounts of calcium and protein for the growth of bones, hardening of bones and iron for brain development. Special formulas have been created to retain these nutrients for parents who are unable to provide these nutrients or cannot breastfed. Teenagers are a time for rapid growth and major physical change form child to a mature adult. The nutritional demands for adolescents are protein, calcium, B-group vitamins, minerals are greatly increased to provide for growth of bones, muscles/tissues and increase in blood volume. Gender affects our selection because of biological activities such as menstruation and childbirth mean that females need to have a higher intake of iron and calcium,