He missed school due to poor physical health.

I am majoring in nutrition science at university.

He fell ill due to long-term malnutrition.

She became malnourished due to long-term starvation.

This vegetable is rich in nutrient salts.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

A mass noun refers to a noun that cannot be counted.