 Based upon this account (which is also found in the Lunheng), Campany (2005:37) concludes that by the late 2nd and 1st centuries BCE, "the idea that some practitioners were abstaining from grains while practicing methods for consuming, directing, and cultivating qi as alternate nourishment was ubiquitous and commonplace."
<clarity>  Based upon this account (which is also found in the Lunheng), Campany (2005:37) concludes that by the late 2nd and 1st centuries BCE, "the idea that some practitioners were abstaining from grains while practicing methods for consuming, directing, and cultivating qi as alternate nourishment was ubiquitous and commonplace."
 Based upon this account (which is also found in the Lunheng), Campany concludes that by the late 2nd and 1st centuries BCE, "the idea that some practitioners were abstaining from grains while practicing methods for consuming, directing, and cultivating qi as alternate nourishment was ubiquitous and commonplace."