1. Beri beri, fits, pellagra, scaly skin, photophobia, loss oi memory are the deficiency diseases caused due to deficiency of B complex vitamins.
2. Vitamin E is needed for the health of the nerves and blood cells
3. I will suggest him to eat vitamin C rich foods such as citrus fruits, papaya, moringa, sprouts etc.
4. Dry eyes, night blindness, cornea failure the deficiency diseases of vitamin A.