Rick Lange: Do people with COVID benefit from a blood thinner? Elizabeth: A really exhaustive look -- so far -- at the human gut microbiome and how it may be related to disease. Rick: And a different anti-inflammatory medication for people with COVID and respiratory problems. Elizabeth: That's what we're talking about this week on TT HealthWatch, your weekly look at the medical headlines from Texas Tech University Health Sciences Center in El Paso. I'm Elizabeth Tracey, a Baltimore-based medical journalist. Rick: And I'm Rick Lange, president of the Texas Tech University Health Sciences Center in El Paso, where I'm also the dean of the Paul L. Foster School of Medicine.