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In particular, regions of the brain associated with emotion, reward, risk-taking, decision-making, judgment, learning, and memory are still maturing in an adolescent

If you set a goal to run a 5K or even a 10K, you'll be so focused on your new training plan that you won't have time to think about smoking all the time

In epithelial-mesenchymal transition (EMT), epithelial cells lose epithelial markers (cytokeratins and E-cadherin), migrate to the lamina propria and gain mesenchymal markers (vimentin, N-cadherin, S100A4, MMP-9 and -smooth muscle actin)