|
|
Did you know?
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Did you know?
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.