What is acne?
Acne is a disease of adolescence characterized by inflammation of the sebaceous glands. Thus the disease is detected in areas rich in sebaceous glands (especially face-front-back). Acne disappears gradually in adulthood.
Acne occurs between ages 14 to 17 years in girls and 16-19 in boys. Subsides in most cases until the age of 20, at least until 25 and in a few cases may persist until the age of 40 years or more. In some people, particularly women, acne will not occur in adolescence but after 20 years of age.
In summer there is improvement of acne in 60% of cases, no improvement in 20% and deterioration in the other 20%. Regarding food and acne, there are conflicting views now which seem to disagree weather on not diet affects acne.
Main causes of acne.
The etiology of acne can be on many factors. Of the factors involved in acne are age, diet, climate, environment, stress and colonization of the sebaceous glands of the skittles bacterium of acne. Genetic (inherited) predisposition and endocrine factors are also important. At its peak there is increased production of sebum and differences in its lipid composition.
The Propionobacterium (or Corynebacterium) acnes inside the sebaceous follicles (anaerobically) wherein produce lipases that are considered essential factors in the pathogenesis of acne. Initially there is obstruction of the pilosebaceous canal orifice. Sebum and fatty acids act irritants and create lesions of acne.