Harm n. : Injury; hurt; damage; detriment; misfortune.

Harm n. : That which causes injury, damage, or loss.

Harm n. : To hurt; to injure; to damage; to wrong.

Example:
What Harm does taking the birth control pill continuously do?

Taxonomy
Harm, free encyclopedia, Anti-Radiation Missile, episode, museum, In Harm's Way, disambiguation pages, search, High Speed, Creve Coeur, Missouri, United States, terrorist, fictional, video games, Aetiological, Relations, thriller film, Harm principle.

Defination from the web:
Harm's Way, a 2008 reality television series " ... Harm Lagaay, a Dutch automobile designer. Harm Ottenbros (1943-), a former Dutch road bicycle racer ...