Stress marks are caused by any type of rapid weight gain. Pregnancy of course is one of the most common occurrences of such weight gain. However most don’t know they are a natural part of puberty for most girls and guys. As is usually the case there are many different theories as to what causes stretch marks. Some assert that stress marks can occur w/o out any weight gain whatsoever. Usually pointing to hormones, genetics, diet, and other things I wouldn’t bother justify by listing here. I would certainly agree some of these elements do play a part. Hormonal differences are present during pregnancy and adolescence. Steroids can cause rapid increases in muscle mass. Family history or genetics is certainly a large factor in increasing your probability of being prone to this condition. So what exactly is a stretch mark? (more…)

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