My grandmother is suffering from Alzheimer's disease.

He developed an occupational disease due to years of construction work.

She had been nursing her father for a long time.

He has laughing sickness, and he can't stop laughing.

He is going to the dermatologist for the treatment of dermatosis.

He missed school because of sickness.

My grandfather is suffering from Parkinson's disease.

He lost his temper after losing the game.

I get motion sickness as soon as I get on a boat.

My younger brother is a sick child, always under the care of a doctor.