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acquired immune deficiency syndrome (AIDS)

 isa deadly disease caused by the 'humanimmunodeficiency virus -HIV', that weakens the immunesystem and subsequently, the body’s resilience to fight infection.  

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Psychology term of the day

September 28th 2021

cross sectional study

a research design based on selecting representative groupswho vary on a particular characteristic; when thecharacteristic is age, this design provides a means ofmaking developmental comparisons.