Saturday, December 1, 2012

A Healthy Diet

The food that we eat provides us with the energy to power all our body activities, the materials for the growth and repair of body tissues, and the vital chemicals essential for the metabolic reactions that take place in all cells. To be healthy, a diet should:

Consist of a wide variety of natural foods that provide a balance of carbohydrates, fats,, proteins, vitamins, minerals and fibre.

 Supply the body with sufficient energy to meets its needs;

Include only low levels of foods, such as those containing saturated fats, that increase the risk of developing diet related diseases, for instance coronary artery disease.

 Each person has a certain requirement for energy, depending on their age and the amount of activity (or other forms of energy consumption, such as breastfeeding) involved in their daily life. Energy is derived from energy rich foods such as carbohydrates and, to lesser extent, fat. A diet that results in taking in more energy than the body requires in those conditions leads to obesity, while insufficient energy intakes leads to weight loss.


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