The Great Lakes are a natural treasure of North America.

I would like to visit Loch Ness once.

I enjoyed fishing at Lake Man.

We went to see the salt lake.

I have been to Lake Hamana in Shizuoka Prefecture.

He was in a sickbed for a long time.

I decided to take a sick leave.

His grandfather is suffering from Alzheimer's disease.

He is an expert in pathology.

She was diagnosed with Addison's disease.