Hygiene is a set of practices performed to preserve health. According to the World Health Organization (WHO), "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases." Personal hygiene refers to maintaining the body's cleanliness.
A sweet voice, a little indistinct and muffled, which caresses and does not thrill; an utterance which glides on without emphasis, and lays stress only on what is deeply felt.