To explore possible treatments for various diseases, either animal models or human cell cultures are usually used first; however, animal models do not always mimic human diseases well, and cultures ...

Scientists at the University of North Texas report a breakthrough in building tiny, lab-grown replicas of human organs. These replicas, called organoids, can mimic some functions and structures of ...

When biomedical researchers need to test their latest ideas, they often turn to engineered human tissue that mimics the responses in our own bodies. It's become an important intermediary step before ...

Q: My wife and I are having trouble conceiving and apparently, it may be my poor sperm quality. What does that mean and how can I change that? — Gary T., Chicago (Health pioneer Michael Roizen, M.D., ...