How Fast Food Affects Your Body?

The term “fast food” refers to the food that is readily consumed in your body. These are the foods have high energy sources in the form of sugars, salts, or fats and usually have relatively low amounts of minerals and vitamins, fiber and protein. The foods require low cooking time, are flavorful and does not cost much.

However, according to scientific researches, fast food consumption negatively affects your body and can cause various health issues. These health issues can be divided into short term and long term health issues. In this article, we are going to give a comprehensive insight into the negative health effects of fast food in your body.


One of the long term effects of consuming fast food is obesity. This can lead further to several other chronic illnesses. The fast-food contains a large quantity of hazardous trans fasts which is a high safety risk to your health. A person usually intakes 160 to 310 kilocalories by consuming a single meal of fast food. The food is lack of vitamin A, C, and minerals such as calcium and magnesium which can be seen in the form of osteoporosis and other bone problems.


Most of the fast-foods are low in fibers and rich in sugars, fats, calories, and other carbohydrates. When you consume fast food repeatedly instead of milk, fruit, and vegetables, your body faces problems in the digestion of food and you may face constipation problem or diverticular disease.


Fast food intake can also lead to anxiety and depression in the result of obesity, lower self-esteem, poor social relationships, and academic problems. This may be due to the high sugar level in your body and metabolic problems.


Another most common health problem that causes due to fast food consumption is hyperactivity. Fast food lacks essential polyunsaturated fats such as omega 3 and omega 6 which are necessary for healthy brain and retina. This results in hyperactive behavior and depression and you cannot perform your daily tasks properly.

Heart diseases

The high salt level in the body increases your blood pressure and you may have the risk of heart diseases, kidney diseases, strokes, and heart attack. The trans fats present in the fast-food lowers the quantity of high-density lipoproteins in your body and raises low-density lipoproteins which are not good for your health and increases the chance of heart diseases.


By consistent consumption of junk food, your body does not have the required amount of energy to perform physical activities. Lack of extracurricular activities can affect your physical health and brain activity.

Other long term health problems

Fast food intake significantly increases the inflammation, affects the body immune system, increase cancer and allergic disease risk in your body. Another study on fast food consumption shows that eating fast food three times a week can cause serious atrophy disorders such as asthma, eczema, and rhinitis.

The risk of diseases is higher in teenagers and eating junk food 4-6 times a week may also severely affects your academic performance and learning skills. Dr. Ingo Mahn, a holistic dentist recommends that you shouldn’t have fast food more than once a week to ensure your health.  

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