The researchers started with two questionnaires commonly used to assess patients for alcohol abuse and substance-related disorders.
研究人员选取了两份用于评定人们是否酗酒、是否有物质相关性障碍的问卷模板，内容则换成美黑相关。
2
One instance that stuck with us is an anecdote related by Lance Armstrong in which his personal physician, Dr. Michael Ferrari (awesome name), described the effects of sleep as a foreign substance.
他的私人医生迈克尔.法拉利医生（好棒的名字），把睡眠的效果比作奇物。
3
A protein-rich substance that doesn’t require refrigeration? One that is free and is available even in remote towns like this one in Niger where babies routinely die of hunger-related causes?