We are looking for a new restaurant.

Do you understand the necessity of this project?

That information is unnecessary.

That information is completely unnecessary.

He thinks that war is a necessary evil.

I am majoring in nutrition science at university.

He fell ill due to long-term malnutrition.

She became malnourished due to long-term starvation.

He fell into malnutrition due to a long period of unhealthy eating habits.

This vegetable is rich in nutrient salts.