There are many nail disorders that are a result of improper and poor nail care. It is important to maintain good nail-care habits; Dermatologists recommend that nails are kept clean and dry in order to maintain healthy nails. The purpose of this is to keep bacteria from developing under the nail. Doctors will often look at nails to detect a connecting health condition such as liver or kidney diseases, anaemia, diabetes and even heart disease as they can portray serious health problems.