Your cooperation is needed for this project.

I need you.

My biological clock is completely messed up.

Overdose may have a negative impact on health.

His phone rang while he was in the middle of a meal.

Essential amino acids are necessary to be taken from our diet because our body cannot produce them on its own.

Essential fatty acids play an important role in our health.

That information is unnecessary.

That information is completely unnecessary.

Do you understand the necessity of this project?