In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Everyone has one nostril that is larger than the other.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
X-ray showing typical joint changes associated with osteoarthritis.
A typical ball-peen hammer.
A cutaway of a typical water pump showing the long bearing assembly and the seal. The weep hole is ...
A typical magnetic crankshaft position sensor.
A typical air vane sensor with the cover removed. The movable arm contacts a carbon resistance path ...