The medical term used for common acne is Acne vulgaris. Acne is a widespread inflammatory skin malady characterized by pimples on the face and chest. It occurs when the pores of the skin lie just beneath the skin’s surface become clogged with oil, dead skin cells, and/or bacteria. Almost 80% of people develop acne sometime between the ages of 12 and 30 years old. Even it is found in newborn babies. Acne can arise at any age; it generally begins at puberty and worsens during adolescence.

Types of Acne:
It is mainly the infection caused by sebaceous Glands lying just beneath the skin’s surface. Sebum is produced as an oily secretion that helps to maintain the elasticity of the hair and moisturizes the skin. These glands and the hair follicles inside which they are found are called sebaceous follicles. These follicles release their content onto the skin through pores that allow the sebum to get to the hair shaft and the skin. Sometimes the glands excrete excess sebum which cannot be cleared from the pores competently. This mainly happens, for instance, at puberty when improved levels of the androgen hormones cause overproduction of sebum.

Additionally, cells lining the follicle are shed too speedily and begin to clump altogether. The surplus sebum mix with the dead cells and forms a plug, or comedone, that blocks the pore, which is not typically seen. When the follicle begins to swell and show up as a tiny whitish bump mostly under the skin, it is called as whitehead. If the comedone opens up, the apex surface of the plug darkens, and it is referred to as a blackhead.

Pimples are the consequence of infected whiteheads or blackheads that burst, releasing sebum, bacteria, dead skin, and white blood cells onto the nearby tissues.

Acne in teens sometimes leads to depression. In some way it strikes your visible features just at the age when you become most susceptible to a gaze. Naturally, acne is often accompanied by severe depression among teenagers. In fact study shows that children with acne bad enough to prompt a trip to the dermatologist reported having emotional and societal problems as severe as those reported by patients with disabling diabetes and epilepsy.

The study establishes, for the first time, a linear connection between mood and pimples, and the shoddier the mental-illness symptoms, the worse the acne. It's possible that the relationship simply means that kids who feel depressed are more expected to report they have bad acne, even if they don't — but earlier studies have shown that dermatologists separately agree with teens' self-reports of acne severity about 70% of the time. Some of the depressed and anxious kids in the Norwegian study may have overstated their acne, but in a sample as large as this one, it's unlikely that most did.