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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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Medication errors are three times higher among children and infants than with adults.

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

The accessory organs of the digestive system: the liver, gallbladder, and pancreas. Image shows the The accessory organs of the digestive system: the liver, gallbladder, and pancreas. Image shows the
This frame from a home video shows Eric Harris (on the left) and Dylan Klebold (on the right) as ... This frame from a home video shows Eric Harris (on the left) and Dylan Klebold (on the right) as ...
The three-way catalytic converter first separates the NOX into nitrogen and oxygen and then ... The three-way catalytic converter first separates the NOX into nitrogen and oxygen and then ...
This image shows a normal third-trimester fetal brain This image shows a normal third-trimester fetal brain
The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ... The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ...
A melting profile shows the increase in UV absorption versus temperature A melting profile shows the increase in UV absorption versus temperature
Video: Hershey Chase Experiments

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