Rock star Lenny Kravitz has been admitted to a hospital in Miami with severe bronchitis, said a spokeswoman for the singer. The 43-year-old musician has been suffering from a series of respiratory infections and flu since last month. A statement said doctors had advised him to check into hospital "due to extreme dehydration and fatigue" . It is not clear how long Kravitz will stay at the Mount Sinai Hospital.
