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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
![The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_45_11_208612424.jpeg)
![Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100](https://biology-forums.com/gallery/47/medium_273688_23_02_15_8_11_12_208771669.jpeg)