Answer:
Scurvy.
Explanation:
Vitamins may be defined as the chemicals that are essential for the body and required in a small amount. Two main types of vitamin are fat soluble vitamin and water soluble vitamin.
Scurvy may be defined as the disease of gums that mainly occur due to the deficiency of vitamin C. The scurvy is more common in the people suffering from mental disorder. Blake completely lacks the water soluble vitamins especially vitamin C in his diet and most likely to suffer from the scurvy disease.
Thus, the answer is scurvy.