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Cyanide works by making the human body unable to use oxygen.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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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.

For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
A section of the retina. The fovea is the indentation at the center of the retina; it is specialized ... A section of the retina. The fovea is the indentation at the center of the retina; it is specialized ...
Testing motor function of cranial nerve VII - Smile Testing motor function of cranial nerve VII - Smile
Testing motor function of cranial nerve VII - Puff cheeks Testing motor function of cranial nerve VII - Puff cheeks
Branches of a Spinal Nerve Branches of a Spinal Nerve
A tightrope walker walks across a 30-m long wire tied between two poles. The center of the wire ... A tightrope walker walks across a 30-m long wire tied between two poles. The center of the wire ...
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

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