Complex sentence: The findings of the lab are widely published in medical, marketing, nutrition, and psychology journals, and they have also been summarized in the books (2006) and in "Marketing Nutrition" (2005) and widely reported in the popular press.
Split into simpler sentences: The findings of the lab are widely published in medical, marketing, nutrition, and psychology journals. They have also been summarized in the books (2006) and in "Marketing Nutrition" (2005), and they have been widely reported in the popular press.