High HDL cholesterol has been associated with a reduced risk for heart attack, but how it actually reduced the risk remained unclear. It turns out that some mechanisms that raise HDL do not seem to lower the risk of heart attack.
MRSA (methicillin resistant staphylococcus aureus) is a type of staphylococcus bacteria (staph) that is resistant to beta-lactam antibiotics. MRSA is contagious and can cause life-threatening infection. MRSA isnât found in the natural environment (soil or water).
More than 30 types of Staphylococci bacteria cause infections, but the most common type of Staph infection is caused by Staphylococcus aureus. If the bacteria gains access to the body, either through a wound on the skin or via the respiratory tract, it can cause serious infections. Who Is at Risk for Staph Infections?