Context: He turned to medicine at 16, and not only learned medical theory, but also by gratuitous attendance of the sick had, according to his own account, discovered new methods of treatment. The teenager achieved full status as a qualified physician at age 18, and found that "Medicine is no hard and thorny science, like mathematics and metaphysics, so I soon made great progress; I became an excellent doctor and began to treat patients, using approved remedies." The youthful physician's fame spread quickly, and he treated many patients without asking for payment.

Question: At what age did Avicenna turn to away from philosophy?
Answer: 16

Question: What subject did Avicenna start studying at 16?
Answer: medicine

Question: Avicenna became a qualified physician at what age?
Answer: 18

Question: Avicenna found medicine to be much easier than what subject?
Answer: mathematics

Question: What did Avicenna become at the age of 16?
Answer: Unanswerable

Question: What study did Avicenna give up at the age of 18?
Answer: Unanswerable

Question: What did Avicenna find more challanging than mathmatics and metaphysics?
Answer: Unanswerable

Question: At what age did Avicenna reject philosophy?
Answer: Unanswerable

Question: What subject did Avicenna start studying at 61?
Answer: Unanswerable

Question: Avicenna became a qualified biologist at what age?
Answer: Unanswerable

Question: Avicenna found medicine to be much harder than what subject?
Answer: Unanswerable

Question: What subject did Avicenna stop studying at 16?
Answer: Unanswerable