Regeneration of organs and systems is a scientific holy grail that relies on stem cells, but due to their limited number and ...

One of the male sexual organ’s main roles is to make procreation happen, but the penis also has cultural significance. Here ...

The human body is composed of over 37 trillion cells, each with a limited lifespan. These cells are continuously replaced to ...

Robert F. Kennedy Jr. has spasmodic dysphonia, a voice disorder caused by a malfunction in the brain. Here’s what to know.

The human body is composed of over 37 trillion cells, each with a limited lifespan. These cells are continuously replaced to ...

Walking is a complex act, but one to which we give little thought. Step after step, day after day, it’s a recurring act. Five to ten thousand steps are taken on an average day by most Americans. This ...

Although scientists can learn a lot from cell culture and animal models, they cannot truly substitute for all parts of the ...