Those disease which are caused by the lack of essential ingredients or vitamins in food such as scurvy, rickets, anemia.
It is due to the deficiency of vitamin C. Vitamin C is found in fruits and vegetables like lemons, oranges, tomatoes, etc. The gums swell and bleed, and there are bruises underneath the skin.
A disease of bones caused by the deficiency of Vitamin D. A disease (caused by the deficiency of vitamin B) Characterized by gastric disturbance, skin eruption and nervous derangement.
It is caused by the lack of vitamin B1 which is mostly found in the outer covering of grains. People eating polished rice polished rice suffer from it. The symptoms are neuritis (degeneration of the nerves) which leads to the weakness of muscles, swelling of the limbs, etc. Its cause was discovered by Eijkman.
Both are caused due to Protein Energy Malnutrition.