Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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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.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Major types of microbial cell aggregations found in phylum Cyanobacteria.
A phylogenetic tree showing the major eukaryotic supergroups.
Total fertility rates (TFRs) among major regions of the world.