Stretch marks are a form of healing of the skin with a color tune. They are caused by tearing of the dermis, and over time can diminish but not disappear completely.

Stretch marks are often the result of rapid stretching of the skin associated with rapid growth (common in puberty) or weight gain (eg pregnancy or muscle building) that exceeds the elasticity of the skin.Stretch marks may also be influenced by hormonal changes associated with puberty, pregnancy or other strength training . Although stretch marks are generally associated with pregnancy and obesity may also develop during rapid muscle growth . Medical terminology for these brands include atrophicae striae, striae, striae demilitarized demilitarized striae, striae gravidarum (in cases where this is caused by pregnancy), Linea atrophicae, striae demilitarized albica online, or simply striae.

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