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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
An example of color blindness test. A person with red-green color blindness would not be able to dis An example of color blindness test. A person with red-green color blindness would not be able to dis
A person with a defective "P" gene might only have it effect the EYES A person with a defective "P" gene might only have it effect the EYES
A warning label on a Honda hybrid warns that a person can be killed due to the high-voltage ... A warning label on a Honda hybrid warns that a person can be killed due to the high-voltage ...
A Breathalyzer is used to measure a person's blood alcohol concentration (BAC) A Breathalyzer is used to measure a person's blood alcohol concentration (BAC)
MRI scans of normal elderly person compared to one with Alzheimer's MRI scans of normal elderly person compared to one with Alzheimer's
Video: Gas exchange - partial pressure, locations, external and internal respiration

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