He is afraid of needles in his veins.

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.

Liquid oxygen is often used as rocket fuel.

It is important to understand the importance of health.

She became malnourished due to long-term starvation.

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