He is suffering from depression.

Every day, I tend seedlings in the garden.

My hobby is tending seedlings.

He described the scenery in detail.

His description was so detailed, it made me feel as if I was there.

My grandfather is suffering from Parkinson's disease.

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

Ebola virus disease is highly infectious and can cause severe symptoms.

I have a severe headache due to meteoropathy.

He lost his temper after losing the game.