What is a Healthy Diet?

Essay by mexwonderCollege, UndergraduateA, June 2008

download word file, 6 pages 5.0

David S. Flores

Human Biology

Term Paper


What is a Healthy Diet?

What is a healthy diet? This is an important question that many Americans have been mulling over for years. The Merriam-Webster Online Dictionary defines diet as: "a: food and drink regularly provided or consumed b: habitual nourishment c: the kind and amount of food prescribed for a person or animal for a special reason and d: a regimen of eating and drinking sparingly so as to reduce one's weight <going on a diet>". In recent years, our focus on healthy eating has become increasingly popular with many labels and guidelines being created and placed on what defines a healthy diet. These labels and guidelines have been established by both the U.S. government and by individuals. Many of these "healthy diet" suggestions fail to address the real issues involved in food consumption. The real issues I speak of are the scientific facts of digestion and how ones body utilizes the many different components of one's dietary intake.

Any one diet is built around four main components. These components are proteins, carbohydrates, caloric intake, and fats and cholesterol. All of these substances are found in the foods we ingest and play vital roles in our bodies overall health.

Proteins are large biological molecules that have extremely important roles in many activities of the human body. Proteins are made up of chains of amino acids. Amino acids are a substance which is either synthesized by one's living cells or are obtained through the foods in one's diet. There are twenty different types of amino acids which can be used to make thousands of different proteins. (Starr and McMillan) As functioning humans, we need a constant source of protein for many of the regenerating, maintenance, and other activities that constantly...