Junks food may lead to depression in teenagers A lot of bormonal changes take place in teenagers which makes them susceptible to mood swings and behavioral changes. And a diet plays an important role in maintaining that hormonal balance. healthy It impairs digestion. They cause irritation of the stomach lining because they are too spicy, and they also lack fiber which is important for proper digestion. It causes fluctuations in blood sugar levels: Junk food is high in refined sugar which puts your metabolism under stress. It affects the brain function. It increases the risk of heart disease. Junks food increases cholesterol and triglyceride levels which are major risk factors for the development of heart diseases. It can cause kidney disease, damage your liver, and can cause type 2 diabetes. When you eat a healthy diet, your body gets steady supply of glucose which helps to maintain insulin sensitivity. Junk foods also increases your risk of cancer. Don't hesitate, stop eating junk foods now!