In short: Recurrent episodes of binge eating followed by self-induced vomiting, laxative abuse, diuretics, fasting or exercise. Weight usually at near normal.

The effects on the body:

•    Frequent weight changes

•    Sore throat, tooth decay and bad breath caused by excessive vomiting

•    Swollen salivary glands making face redder

•    Poor skin condition and hair loss

•    Lack of interest in sex

•    Lethargy and tiredness

•    Increased risk of heart problems and to other internal organs

Psychological signs:

•    Uncontrollable urges to eat vast amounts of food

•    Obsession with food or feeling ‘out of control’ around food

•    Distorted perception of body shape and weight

•    Emotional behaviour and mood swings

•    Depression; anxiety; low self esteem; shame and guilt

•    Isolation; feeling helpless and lonely

Behavioural signs:

•    Bingeing and vomiting

•    Disappearing to the toilet after meals in order to vomit food eaten

•    Excessive use of laxatives, diuretics or enemas

•    Periods of fasting

•    Excessive exercise

•    Secrecy and reluctance to socialise

•    Shop lifting for foods; unusually high amounts spent on food

•    Food disappearing unexpectedly or being secretly hoarded