Mastoiditis is the result of an infection that extends to the air cells of the skull behind the ear. Specifically, it is an inflammation of the mucosal lining of the mastoid antrum and mastoid air cell system inside the mastoid process.
Extract: Government spending has increased substantially in recent years. Consequently, the breakeven oil price rose to $106 a barrel in 2014 from $69 a barrel in 2010. As a result, with the large decline in oil prices, the fiscal deficit has increased sharply and is likely to remain high over the medium-term.
Defense and energy stocks dominated the list of premarket gainers on the S&P 500 Friday, after U.S. missile strikes against a Syrian airbase overnight. The news sent oil prices to $52.80 a barrel, up 2.1% in the Globex electronic session, while June Brent crude on London's ICE Futures exchange rose 1.9% to $55.94.