Sunday, 11 August 2013

Healthy Eating



Why is healthy eating important?

"A healthy diet is the basis for a well-functioning body. It helps maintain an ideal body weight, prevent diseases, and lead to better overall performance of the mind and body. The food you eat contains several different types of nutrients, which are all required for the many vital processes in your body."

So basically, healthy eating => healthy body => healthy life. 
The nutrients in the foods you eat support the activities of day-to-day living, protect your cells from environmental damage and repair any cellular damage that might occur. Protein rebuilds injured tissue and promotes a healthy immune system. Both carbohydrates and fats fuel your body, while vitamins and minerals function throughout your body in support of your body’s processes. Vitamins A, C and E, for example, act as antioxidants to protect your cells against toxins, and B vitamins help you extract energy from the foods you eat. Calcium and phosphorus keep your bones strong, while sodium and potassium help to transmit nerve signals. Without a healthy diet, you might compromise any of these essential functions.

In addition to the quality of the foods you consume, the quantity matters when considering good eating habits. Taking in the same number of calories as you burn ensures your weight remains steady over time. Consuming more than you burn, on the other hand, results in weight gain as your body converts extra calories to fat tissue. When you accumulate fat tissue, you increase your risk of developing one or more health problems, including heart disease, hypertension, respiratory issues, diabetes and cancer. A healthy meal plan without excess calories helps you not only feel better but can prolong your life.
"Unhealthy eating habits have contributed to the obesity epidemic in the United States: about one-third of U.S. adults (33.8%) are obese and approximately 17% (or 12.5 million) of children and adolescents aged 2—19 years are obese.1
  
Even for people at a healthy weight, a poor diet is associated with major health risks that can cause illness and even death. These include heart disease, hypertension (high blood pressure), type 2 diabetes, osteoporosis, and certain types of cancer. 
The risk factors for adult chronic diseases, like hypertension and type 2 diabetes, are increasingly seen in younger ages, often a result of unhealthy eating habits and increased weight gain. Dietary habits established in childhood often carry into adulthood, so teaching children how to eat healthy at a young age will help them stay healthy throughout their life."
Obesity is not the only nutrition-related cause of disease onset and progression. Too much or too little of certain nutrients can also contribute to health issues. For instance, a lack of calcium in your diet can predispose you to developing osteoporosis, or weakening of your bones, while too much saturated fat can cause cardiovascular disease, and too few fruits and vegetables in your nutrition plan is associated with an increased incidence of cancer. Consuming foods from a wide variety of sources helps ensure your body has the nutrients it needs to avoid these health problems.

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