The table USDA food nutrition is supposed to help decide what foods to eat on a daily basis. The pyramid, as it is called, originally composed of four food groups; meat, milk, fruits and vegetables.
In the 1970s, he added a fifth group including fats, sugars and alcohol. Over the next 20 years, the food guide has changed very little.
The recommendations were revised in 1994, but the guide was always behind. Scientists had already discovered that too many simple carbohydrates consumption make the blood sugar and insulin spikes in blood unbalanced can lead to obesity and type II diabetes.
The 2005 guide suggested that people eat 6-11 servings of simple carbohydrates per day. Bread, pasta, rice, cereals and cookies are all simple carbohydrates. The guide does not distinguish between whole and refined grains, which is what you will find in most breads and pastas.
Whole grains are things like brown rice, wild rice and oats. The flour is a refined grain. Most good things, including the sound and fiber withdrew from it.
The same table food nutrition is still used, although there are recommendations on the use of whole grains of half of your daily intake. It depends on who you ask, but this might not be good enough.
But regardless of the quality of information that might be, it is still incomplete. There is no recommendation on how many times a day, a person should eat. Many people still eat two or three times a day. This also leads to blood sugar and insulin unbalanced can lead to type II diabetes and obesity.
At least the USDA recommendations for exercise, an important factor in weight loss and maintenance factor sometimes overlooked. People should be physically active for at least 30 minutes a day. This means you have to walk at least half an hour or more each day.
Other types of exercise are important, too. For example, strength exercises help build muscle, which can help you lose weight because muscle burns fat when at rest.