Mononucleosis, or mono, is a viral infection that causes fever, sore throat, and swollen lymph glands, most often in the neck. Mono is often spread by saliva and close contact. It is known as the kissing disease.. Mono occurs most often in people ages 15 to 17, but the infection may develop at any age.
An assortment of psychoactive drugs-street drugs and medications. A psychoactive drug, psychopharmaceutical, or psychotropic is a chemical substance that changes brain function and results in alterations in perception, mood, or consciousness.
A drug is any substance (with the exception of food and water) which, when taken into the body, alters the bodyâs function either physically and/or psychologically. Drugs may be legal (e.g. alcohol, caffeine and tobacco) or illegal (e.g. cannabis, ecstasy, cocaine and heroin). Psychoactive drugs affect the central nervous system and alter a person's mood, thinking and behaviour. Psychoactive drugs may be divided into four categories: depressants, stimulants, hallucinogens and 'other'.