Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Melissa Horton is a financial literacy professional. She has 10+ years of experience in the financial services and planning industry. Robert Kelly is managing director of XTS Energy LLC, and has more ...

Bruising happens when blood pools under the skin due to damage in blood vessels. Some medications and conditions can make you bruise easily. Bruises usually heal in about two weeks without treatment.