Quick Answer. Inner thigh cramps can be caused by straining or overusing a muscle; deficiencies of dietary minerals such as calcium; insufficient blood circulation in the muscles; and dehydration, according to MedlinePlus. Extended periods of intense exercise and physical labor can cause muscle cramps throughout the body, notes Mayo Clinic.
Main article: The World's Billionaires 2015. Bill Gates was named the richest man in the world by Forbes Magazine's annual list of the world's billionaires. This was the 16th time that the founder of Microsoft claimed the top spot. Carlos Slim came in second for the second consecutive time. Warren Buffett of Berkshire Hathaway was placed third, while Amancio Ortega of Spain, slipped down a position from last year to number four. Larry Ellison, the founder of Oracle rounded off the top five.
The richest man in the world is Carlos Slim HelÃº (and family) of Mexico. He is worth 53.5 billion dollars. Rounding out the top three richest men in the world are Bill Gates ($53.0 billion) and Warren Buffet ($47.0 billion). ChaCha! According to Forbes Magazine, Warren Buffett is the world's richest person.