A first-time marathon runner is learning that running a marathon can be quite stimulating. The applause from the spectators, sights along the road, and the pain in her legs are all experiences brought to her central nervous system by her

The potential to eradicate preventable diseases in the future depends on other societal factors that influence coordination and deployment of global health resources. for example, 70 confirmed cases of circulating vaccinederived poliovirus type 2 (cvdpv2) were reported syria, which is embroiled in war. where else are similar societal challenges preventing the eradication of polio? uzbekistan. nigeria. pakistan. a and c. b and c.