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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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 first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
![A fuel heater is part of the fuel filter and water separator located on the frame rail of a Ford ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_3_34_55_295362478.png)
![Most air filter housings are located on the side of the engine compartment and use flexible rubber ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_2_42_22_29618158.png)