This food is rich in nutrition.

He received the letter challenging him to a duel and began preparing for the duel.

I go to the library every week.

Gender roles are an important element in defining individual behavior in society.

His role is to fulfill his responsibilities as a leader.

Growth hormone plays an important role in promoting the growth of the human body.

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.

He fell ill due to long-term malnutrition.