He is a person of strong vanity who reads self-improvement books.

We should always remember the power of Kannon in difficult times.

Because he suffers from selective mutism, it's difficult for him to speak.

My grandmother is suffering from osteoporosis.

She suffers every month because of dysmenorrhea.

My dog recently contracted strongylosis.

He always carries something sweet with him because of his hypoglycemia.

My friend is troubled by alopecia areata.

Hypervitaminosis occurs when the intake of vitamins is too high.

He is receiving treatment for acromegaly.