This may occur if: 1  You have a sudden drop in blood pressure. 2  Your body does not have enough water (is dehydrated) because of vomiting, diarrhea, fever, and other conditions. 3  You get up too quickly after sitting or lying down (this is more common in older people).
Wimbledon 2015: Rafael Nadalâs coach says itâs good to talk during play. Toni Nadal feels that coaches are getting a rough deal. Toni Nadal, the coach and uncle of Rafael Nadal, believes it is impossible for a coach not to encourage and communicate generally with a player during a match.
Microsoft has named Satya Nadella as its new CEO and announced that founder Bill Gates will step down as chairman of the company's board. Nadella is a 22-year veteran of Microsoft () who has been overseeing various aspects of the company's corporate software business since 1992. Over the past several years, Nadella's cloud and enterprise division has been one of Microsoft's best-performing units.