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Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Feedforward events can be conditioned to external stimuli. Feedforward events can be conditioned to external stimuli.
Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro
External Obliques External Obliques
Internal and external attributions Internal and external attributions
The internal and external anatomy of the kidney. The internal and external anatomy of the kidney.
EXTERNAL ANATOMY OF CHICKENS EXTERNAL ANATOMY OF CHICKENS
Video: Hormonal feedback loop components & Glucagon (glycogenolysis and gluconeogenesis)

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