She should really have it checked out by a doctor, preferably a dermatologist. It could very well be fine, but it could also be a symptom of a serious medical condition. Those kinds of things tend to differ between individuals, so I suggest she has it examined.
Podoconiosis is not a communicable disease – it is caused by contact with red clay soils, not an infectious agent. However, trachoma and scabies are communicable diseases found in conditions of poverty, overcrowding and poor access to clean water and sanitation.
Gamma radiation sterilises surgical equipment
Answer: Kwashiorkor
Explanation: Severe malnutrition of protein, is called KWASHIORKOR. This is more common in developing countries and in children.
The symptoms of this protein deficiency include:
• Skin, hair and nail problems.
• Loss of muscle mass.
• Increased risk of bone fractures.
• Fatty liver.
I hope this answers your question.