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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.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Dinoflagellates of the supergroup Alveolata and their characteristic alveoli. Dinoflagellates of the supergroup Alveolata and their characteristic alveoli.
Flower part number is a characteristic difference between monocots and eudicots Flower part number is a characteristic difference between monocots and eudicots
Mackerel tabby, showing the characteristic "M" on its forehead. Mackerel tabby, showing the characteristic "M" on its forehead.
In 1891 William Dean Howells championed the poetry of Emily Dickinson: “This poetry is as characteri In 1891 William Dean Howells championed the poetry of Emily Dickinson: “This poetry is as characteri
A Receiver-Operating-Characteristic (ROC) Curve A Receiver-Operating-Characteristic (ROC) Curve
A graphic depiction of predisposing alleles characteristic of a threshold trait within a population, A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,
Video: Flexor reflex & Crossed extensor reflex

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