What Happens to Your Body When you Eat Only Fast Food

If you’re among the 45 percent of Americans who stop for a breakfast sandwich on their way to work or head out to grab fries and a shake for lunch, then how is your body still functioning? The Bureau of Labor Statistics states that the average American family spends half of their food budget on fast food restaurant. Obviously, occasional night of fast food can’t hurt you but a habit of eating fast food every day can do some damage to your health. People worry about weight gain when they here of fast food. However, eating fast food can bring more serious repercussions way beyond weight gain. Here, is what happens to your body when you eat only fast food.

Affects Your Memory and Cognitive Power

It’s established that highly saturated fats in foods such as bacon burgers, fries and shakes can negatively affect your heart. But research also found that saturated fat intake may negatively affect your brain functioning and memory.

It impairs memory speed, flexibility, and prospective memory, meaning that your ability to remember to do what you intended is tampered with. Also, the chances of developing depression are high for fast food eaters. This is because when your brain isn’t functioning as it’s supposed to, it can lead to stress.

Negative Impact on The Respiratory System

Fast foods are high in cholesterol which leads to weight gain then ultimately obesity. Obesity is a marker for respiratory problems including asthma and shortness of breath. The extra weight puts some pressure on the heart and lungs leading to difficulties in breathing while walking, climbing stairs or exercising. Children are more likely to show respiratory problems compared to adults because they are always active. Additionally, studies show that children who eat fast food three times a week are more likely to develop asthma.

You Will Always Be Constipated

Fast foods are low in fiber dietary and we all know fiber is important in keeping your digestive tract working properly. High fiber foods such as vegetables, fruits, whole grains, seeds, and nuts help in ushering waste out of the body. They also lower cholesterol and keep blood sugar levels in check. Eating only fast foods means you lack something to get rid of waste food from your body thus you will always be constipated.

Affects Your Skeletal System

All fast foods and processed foods contain carbs and sugar which increases acids in the mouth. These acids break down tooth enamel which makes the bacteria in the mouth to be in control thus promoting cavities. Your teeth begin to rot which can be deteriorating to your entire dental health. Moreover, obesity can affect bone density and muscle mass. Obese people are at a higher risk of falling and breaking bones. Exercising helps in building up muscle that helps support your bones. Also, avoid fast food and maintain a healthy diet.

Increase Inflammation

The lining of plastic food and beverages packaging is made up of phthalates, a chemical toxin that disrupts the endocrine. A study by the Environment International states that individuals who often eat fast food have 35 percent higher levels of phthalate metabolites than those who eat homemade food. Even worse, there is a connection between phthalates and metabolic syndrome which is brought by increased levels of inflammation. Inflammation can cause a number of health issues from obesity to nutrient deficiencies.

Increases Risk of Cancer

Nowadays, almost everything causes cancer from the food we eat to the drinks we take. But, fast food is a special cancer-causing recipe. As mentioned above, fast food contains phthalates which are industrial chemicals produced in high volume. According to the National Toxicology Program at the U.S. Department of Health and Human Service, phthalates are classified as carcinogens which are highly cancerous.

Your Skin Breaks Down

The fast food we eat can cause unclear skin especially in regards to where the food falls on the glycemic index. In a publication on the Journal of the American Academy of Dermatology says that “high glycemic load diets may exacerbate acne.” If you want to know the exact amount of glycemic load in a food, you should multiply the grams of carbohydrates in a serving by the glycemic index then divide by 100. The ideal glycemic load is below ten. But if the glycemic load is high, you should blame sugars, white flour, and empty carbs in fast foods. ”


Moderation is the key because most of the time you can’t avoid eating fast food. But if you are having craving for greasy food all the time, then you should think first of what these meals are doing to your body. Learn to plan your meals in advance especially if you know you can’t resist fast food craving.

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