|
|
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 25% of all reported medication errors result from some kind of name confusion.
Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
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.
![Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_36_56_93981716.jpeg)
![Hydronephrosis. Normal kidney (left) and kidney with hydronephrosis (right) are compared. Note the d](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_19_56_96622215.jpeg)