He was confined to his sickbed for a long time.

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

My grandfather is suffering from Parkinson's disease.

This song is characterized by its irregular time, making the rhythm unique.

I caught a cold, so I decided to take a sick leave.

He is receiving treatment for mania.

I am going to see a podiatrist who will examine my foot problem.

He has psychopathy, making it difficult for him to understand social rules.

I have a severe headache due to meteoropathy.

He suddenly fell ill.