Waiting times information is also used locally in the. management of elective surgery. National data on elective surgery waiting times includes data on the clinical urgency of the. patient, that is, on how quickly the patient should have surgery.
These areas of skin have the most oil (sebaceous) glands. Acne occurs when hair follicles become plugged with oil and dead skin cells. Hair follicles are connected to oil glands. These glands secrete an oily substance (sebum) to lubricate your hair and skin.
It is responsible for the red, scaly appearance of the skin during acne breakouts. A number of factors can cause acne. These include stress, diet, genetics, bacterial infection and hormones. All factors causing acne involve hormones such as androgens and acne-causing bacteria such as Propionibacterium acnes.