He was hospitalized due to meningitis.

If you don't have regular dental check-ups, you may develop periodontitis.

He is receiving treatment for folliculitis.

She was diagnosed with salpingitis.

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

My father was diagnosed with ankylosing spondylitis.

My grandfather contracted poliomyelitis when he was young.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.