Seborrhoeic<unk>  affects 1 to 5% of the general population. It is slightly more common in men, but affected women tend to have more severe symptoms. The condition usually recurs throughout a person's lifetime. Seborrhoeic<unk>  can occur in any age group but usually starts at puberty and peaks in incidence at around 40 years of age. It can reportedly affect as many as 31% of older people. Severity is worse in dry climates.
causes of Dermatitis
medical cause of Dermatitis
symptom of Dermatitis
causes of Infection
causes of Dermatophytosis
symptom of Psoriasis
medical cause of Stye
symptom of Scabies