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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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Thyroid conditions may make getting pregnant impossible.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
The carbon-nitrogen-oxygen cycle of The Sun The carbon-nitrogen-oxygen cycle of The Sun
Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress
A cartoon of “King Andrew the First” shows Jackson standing atop the U.S. Constitution—a scepter in A cartoon of “King Andrew the First” shows Jackson standing atop the U.S. Constitution—a scepter in
A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in ... A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in ...
A bell-shaped, or “normal,” curve shows the distribution of phenotypes for traits controlled by ... A bell-shaped, or “normal,” curve shows the distribution of phenotypes for traits controlled by ...
Video: Rods and Cones Animation

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