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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.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
Blood is approximately twice as thick as water because of the cells and other components found in it.
![Direct thumb pressure along the tibialis anterior. Start at proximal end, moving about 1 inch at a ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_04_34_330802189.jpeg)
![Circular petrissage to forehead. Use the thumbs moving in counterclockwise circles. The movement is ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_47_41_33120769.jpeg)