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Há 23 horas · This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal ...
Há 23 horas · Fentanyl continues to fuel an epidemic of synthetic opioid drug overdose deaths in the United States. From 2011 to 2021, prescription opioid deaths per year remained stable, while synthetic opioid deaths per year increased from 2,600 overdoses to 70,601. [21] Since 2018, fentanyl and its analogues have been responsible for most drug overdose deaths in the United States, causing over 71,238 ...
Há 23 horas · Beginning about 500,000 years ago, Homo diversified into many new species of archaic humans such as the Neanderthals in Europe, the Denisovans in Siberia, and the diminutive H. floresiensis in Indonesia. [16] Human evolution was not a simple linear or branched progression but involved interbreeding between related species. [17]
