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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
There are more nerve cells in one human brain than there are stars in the Milky Way.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
![Plasma protein binding and drug availability: (a) drug exists in a free state or bound to plasma pro](https://biology-forums.com/gallery/47/medium_46687_12_12_14_7_07_20_19563968.jpeg)
![Organization of the Food and Drug Administration showing the seven centers that regulate human and ...](https://biology-forums.com/gallery/28/medium_482573_25_04_17_9_15_15_283451377.jpeg)