Dr. Robert Allen
What is nutrition? Why is nutrition essential to our daily lives?
According to Wardlaw and Smith (2011) “Nutrition is the science that links foods to health and disease. It includes the processes by which the human organism ingests, digests, absorbs, transports, and excretes food substances” in which the body needs to be able to function each day. Each individual has their own nutritional needs that will enable them to stay healthy and deal with disease. Healthy nutrition can also help an individual with their different levels of activities, and how their brain functions through tasks.
What is the connection between nutrition and health?
The quality and quantity of nutrients that one puts into their body long-term will determine what kind of health those individuals will have. Food is used to give the body the energy it needs to function. Nutrients are found within the food one eats that feeds the body what it needs to grow and maintain a healthy body. By eating healthy, nutrient rich foods, an individual can drastically lessen the risk of cardiovascular diseases, cancer, diabetes, obesity, and other chronic health issues.
What are essential nutrients and name the six classes of nutrients? What are the sources of nutrients and what do they do?
The six classes of nutrients are carbohydrates, lipids, vitamins, minerals, proteins, and water. There are more than 40 essential nutrients that, if removed, would lead to poor health but would also lead to a restoration of health if added back to the diet before any permanent damage was done. This is why, when the body cannot produce certain nutrients or cannot produce enough of the nutrient to do the body any good, the body needs healthy foods for the nutrients they carry. Nutrients help in the growth, development, and healthy maintenance of the human body.
How do vitamins and minerals work?
Depending on the vitamin, each