Final 2025 CDC data show a record-low U.S. fertility rate of 53.2 and a 7% drop in teen births. What the numbers mean for maternity care access. Ric Flair, 77, was hospitalized after a Tampa fall ...

Final 2025 CDC data show a record-low U.S. fertility rate of 53.2 and a 7% drop in teen births. What the numbers mean for maternity care access. Ric Flair, 77, was hospitalized after a Tampa fall ...

Villi are tiny projections in the small intestine that absorb nutrients from food. Diseases like celiac disease and inflammatory bowel disease can damage villi and cause malabsorption. Villi are ...

Theoretically, for drugs that easily penetrate the intestinal mucosa, reduced villus blood flow could delay diffusion and, therefore, the rate of absorption. For example, the absorption rate for ...

Teach students how the digestive system is adapted for maximum efficiency, including bile function, villi structure, emulsification, enzyme optimisation and surface area specialisations—all delivered ...