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Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Defensive mutualism involves species that receive food or shelter in return for providing protection Defensive mutualism involves species that receive food or shelter in return for providing protection
Some of the fastest growing religions in America are non-Judeo-Christian religions. This photograph Some of the fastest growing religions in America are non-Judeo-Christian religions. This photograph
Good ethical judgment comes from both learning and experience. Good ethical judgment comes from both learning and experience.
Nuts are also a good source of B group vitamins (including folate), and vitamin E Nuts are also a good source of B group vitamins (including folate), and vitamin E
Older Adults Benefit from Good Nutrition and Physical Activity Older adults Older Adults Benefit from Good Nutrition and Physical Activity Older adults
Distribution of sex chromosomes from generation to generation. All children receive an X chromosome Distribution of sex chromosomes from generation to generation. All children receive an X chromosome
Video: Chemical Synapse Animation

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