Possible Clues:

• Disease, one caught by North African on island
• Disease caused by vitamin deficiency
• Vitamin B-1 deficiency
• North African insurrection starting around centre of Cairo, a result of lack of food
• Fruit repeatedly said to cause disease
• One of twenty-four in cage, bitter about it — one gets disease
• Stomach not ace, with one repeatedly getting this disease
• Disease of fruit from a bush put into the ground, reportedly
• Sounds like a desperation to put it in the ground without vitamin B
• Condition of brain damage, having dropped an ecstasy inside twice