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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
![Breast surgery. Surgical removal of all or part of the breast is a treatment against the spread of b](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_29_17_944650.jpeg)
![(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D](https://biology-forums.com/gallery/47/medium_273287_22_02_15_10_29_18_208031613.jpeg)