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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.
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.