Fat junk food slows down metabolism – in just 5 days
Most people can eat a high-fat diet called junk food for a few days without noticing, but after five days of high fat intake, the body starts to protest. Then the fat burning slows down. It shows a study done in Virginia, USA.
Matt Hulver, an associate professor at Virginia Tech College of Agriculture, let healthy students eat a high-fat diet, with emphasis on junk food, where total fat was 55 per cent of daily intake compared to 30 per cent, which is what is usually recommended. After only five days, muscle processes and nutritional uptake are changing, and Matt Hulver believes that a diet with so much fat can eventually lead to health problems, especially weight gain that can, in turn, result in various diseases such as diabetes.
The study showed that the way muscle burns nutrition changes in just five days when eating this type of high-fat diet. This is the first study to show such a rapid transformation. In an interview on Virginia Tech’s website, Matt Hulver says:
– Five days is a very short time, and there are plenty of occasions in one year when we may be eating a high-fat diet for five days.
The fact that the body responds so dramatically to changes in the diet gives us a whole new time perspective than we previously thought because we saw so clearly that the high-fat diet changed an otherwise healthy metabolism.
When we have eaten clearly a meal, glucose rises in the blood, and it is the muscles that have the primary responsibility to take care of the glucose. They do this by turning glucose into energy and storing it for use on occasion. The muscles usually make up a little less than a third of healthy body weight, and our muscles act as an essential factor in glucose metabolism.
Muscle tests showed precise results
College students were allowed to eat a diet consisting of foods with lots of butter, cheese, sausage but also macaroni and biscuits. However, their total caloric intake remained at the same level as before the study. Neither did they gain any weight gain from the diet, nor did they show any insulin resistance. Now, the American scientists want to study how the changes in the muscle can affect the body in the long run and how quickly the harmful changes in can be reversed when returning to a more low-fat diet.