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In 1864, the first barbiturate (barbituric acid) was synthesized.
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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.
![Male individuals of the banded Uromastyx, Uromastyx flavofasciata, are different colours. Most natur](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_37_27_18091385.jpeg)
![Female individuals of the banded Uromastyx, Uromastyx flavofasciata, are different colours. Most nat](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_37_27_18101556.jpeg)
![Species, subspecies, populations, and individuals. Species are reproductively isolated from one anot](https://biology-forums.com/gallery/47/medium_274247_21_01_15_7_40_14_202762058.jpeg)