The primary function of a humidifier is to create a humid environment. It does this by releasing moisture into the air, which eventually changes the dry air into humid air. A vaporizer, on the other hand, is...

Drug is any substance which alters the normal functioning of the body. Drugs are mainly classified into three main categories – depressants, stimulants and hallucinogens, based on their effect on the central...

Depersonalization is a disorder in which one feels detached from oneself. A person also observes oneself as a viewer in this condition. On the other hand, derealization is a disorder in which the exterior...

Clinical depression or major depression is a mood disorder which is mainly characterized by bad mood and a reduced interest in activities which were enjoyed. Manic depression or bipolar disorder is a form of...

A dentist and orthodontist both are dental professions. A dentist takes after the general problems related to teeth and gums. On the other hand, orthodontist is a specialist who addresses serious issues like...