<em>Lactobacillus acidophilus,</em> which is one variety of the genus <em>Lactobacillus</em> is one of the common active cultures found in yogurt and in the human gut.Scimat Scimat/Getty Images/Photo Researchershide caption
toggle captionScimat Scimat/Getty Images/Photo Researchers
Lactobacillus acidophilus, which is one variety of the genus Lactobacillus is one of the common active cultures found in yogurt and in the human gut.
Scimat Scimat/Getty Images/Photo Researchers
Sandra Lopez (left) and her dog, Coco, greet hospice nurse Heather Meyerend last fall. In the weeks before Lopez died, Meyerend stopped by weekly to check her physical health, pain levels and medications.