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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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.
The horizontal fraction bar was introduced by the Arabs.
Cyanide works by making the human body unable to use oxygen.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.