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Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Estimated terrestrial net primary productivity across Canada. Estimated terrestrial net primary productivity across Canada.
Preventive and Primary Care Services Preventive and Primary Care Services
Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee. Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee.
One Module of the Primary Visual Cortex One Module of the Primary Visual Cortex
Primary Motor Cortex and Seizures Primary Motor Cortex and Seizures
The Workout (Primary Conditioning Period) The Workout (Primary Conditioning Period)
Video: Condensation and Hydrolysis Animation

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