Disease Due to Imbalance in Diet

Imbalance in diet occurs due to following reasons

  • Inadequate quantity of food
  • Excess quantity of food
  • Eating food lacking some essentials component


  • The disease or conditions arising because of inadequate or unbalanced food is called malnutrition.
  • The disease occurring because of inadequate quantity of food is called deficiency disease
  • Over nutrition causes obesity or over weight.

Obesity in Childhood

Effect of Obesity 

  • When we eat more , than we work the body accumulates fat and our weight increases
  • Obesity causes heart diseases,high blood pressure and diabetes.

Disease caused due to deficiency of carbohydrates

  • Carbohydrates gives us energy.
  • Lack of carbohydrates leads
  1. Body weakness
  2. Loss of stamina, as we need sufficient quantity of energy for performing various functions

Disease due to deficiency of proteins-

  1. Lack of proteins leads to kwashiorkor and Marasmus

Symptoms of Kwashiorkor

  • Protruding belly
  • Dark and scaly skin,brownish hair
  • Stunted growth
  • Loss of appetite
  • Anemia
  • Mental retardation

Symptoms of Marasmus

  • Poor muscle development
  • Bones showing through the skin
  • Weak legs
  • Loss of appetite

We should eat enough milk,eggs,pulses,

Disease causing because of deficiency of vitamins

  • Vitamins are required in small quantities for our body
  • Vitamins help us in keeping our eyes ,bones , teeth and gums healthy.


Read Here Food Where Does it Come from Class 6th Notes