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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Plant architecture is due to reiterative, or repeat, patterning. Plant architecture is due to reiterative, or repeat, patterning.
There are several laws of thermodynamics critical to understanding physical processes. Two of those There are several laws of thermodynamics critical to understanding physical processes. Two of those
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
State Laws on Abortion prior to Roe v. Wade, 1973 State Laws on Abortion prior to Roe v. Wade, 1973
A Tough Economy ...for students A Tough Economy ...for students
Expanding Exponent Laws Expanding Exponent Laws
Video: Primate Evolutionary Tree Animation

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