Why does nicotine make it difficult for a smoker to quit using cigarettes?

a) it with weight loss for many people

b) it makes people sleep long hours

c) many people people experience intense headaches

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.