Alex Cohen is the Director of Learning and Evaluation for the Richard M. Fairbanks Foundation. The toll of the opioid epidemic is often measured in lives lost due to overdose—and for good reason. It’s estimated that, across the United States, 115 people die of opioid overdose every day. But the impact of opioids can also […]

减少香烟中的尼古丁含量可能会导致一些目前吸烟者吸烟更多——至少在短期内是这样。但也有证据表明减少香烟中的尼古丁有助于减少吸烟。