Identify the sicknesses shown in the photos and explain their causes.

Here are the identified sicknesses from the photos:

• Photo A: The children show signs of Kwashiorkor, characterized by swollen bellies (due to fluid retention and an enlarged liver) and muscle wasting, resulting from severe protein deficiency.
• Photo B: The child exhibits Rickets, indicated by bowed legs, which is a bone deformity caused by a deficiency of Vitamin D, calcium, or phosphate, leading to soft and weak bones.
• Photo C: The image shows swollen, inflamed gums, which are symptoms of Scurvy, a disease caused by a severe deficiency of Vitamin C.
• Photo D: The individuals in this photo appear to be suffering from Obesity, which is a form of malnutrition characterized by excessive body fat accumulation, often resulting from an imbalance between calorie intake and expenditure.