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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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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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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Types of movement across a biological membrane. Types of movement across a biological membrane.
Nuclear bodies are differentially permeable to molecules in the bulk nucleoplasm Nuclear bodies are differentially permeable to molecules in the bulk nucleoplasm
Archaea Membrane Archaea Membrane
Fast axonal transport of vesicles. Fast axonal transport of vesicles.
Important Bonds in Biological Molecules Important Bonds in Biological Molecules
Illustration of the cell membrane Illustration of the cell membrane
Video: Renal Failure

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