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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.
![Variations on a theme: archaic Homo sapiens, Neandertal, and anatomically modern Homo sapiens skulls](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_03_07_208192477.jpeg)
![Although Neandertal brain sizes fall well within the modern human range, their EQ is lower than mode](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_07_15_208361694.jpeg)