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Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

Male common pochard, London, UK Male common pochard, London, UK
Comparison of Female and Male Pelvis Comparison of Female and Male Pelvis
A late stage in mitosis after the chromosomes (stained blue) have separated A late stage in mitosis after the chromosomes (stained blue) have separated
The substages of meiotic prophase I for the chromosomes The substages of meiotic prophase I for the chromosomes
Drosophila Polytene Chromosomes Drosophila Polytene Chromosomes
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

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