|
|
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 senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
The average office desk has 400 times more bacteria on it than a toilet.
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.
![Ice-wedges form netlike polygons on the surface of the tundra, aerial photo of polygonal peat platea](https://biology-forums.com/gallery/47/medium_33_27_08_11_11_56_24_15472357.jpeg)
![Varicella or chickenpox, a viral skin infection. In this photograph, the rash is beginning to form s](https://biology-forums.com/gallery/47/medium_14755_16_09_12_6_01_25_87781652.jpeg)
![Effect of pH on drug absorption: (a) a weak acid such as aspirin (ASA) is in a nonionized form in an](https://biology-forums.com/gallery/47/medium_46687_12_12_14_7_07_20_195621630.jpeg)