I talked to him through the intercom.

He broke the glass carelessly.

His carelessness caused the accident.

This issue requires attention.

He was paying attention to the teacher's talk during the class.

He was taken to the hospital due to an overdose of medicine.

This plan is proceeding perfectly without any excess or deficiency.

She overreacted to his words.

He hyperventilated due to tension.

Peroxidation is one of the chemical reactions, especially involved in the oxidation of lipids.