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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 most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Worldwide Use of Nuclear Energy Worldwide Use of Nuclear Energy
Neonatal and Maternal Mortality Worldwide Neonatal and Maternal Mortality Worldwide
Envelope showing four options for placement of ancillary service endorsements. Envelope showing four options for placement of ancillary service endorsements.
Bank teller assisting with customer service. Bank teller assisting with customer service.
The malfunction indicator lamp might be labeled “service engine soon,” which can cause ... The malfunction indicator lamp might be labeled “service engine soon,” which can cause ...
Do not interact with a service dog unless you have permission from its owner. Do not interact with a service dog unless you have permission from its owner.
Video: Hormonal regulation of pregnancy - weeks 2 through 38

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