Medically reviewed by Nicholas R. Metrus, MD Key Takeaways Neurons are cells that transmit electrical signals through the ...

Data sources Cochrane Central, PsycINFO, Embase, Medline and CINAHL. Eligibility criteria Peer-reviewed, randomised controlled trials, in English (1990–present), which examined the effects of exercise ...

Vesicles are small cellular containers. They perform a variety of functions, such as helping to transport materials that an organism needs to survive and recycle waste materials. There are several ...

The term “dysautonomia” describes dysfunction of the autonomic nervous system (ANS). It is an umbrella term, meaning there are several types of dysautonomia with similar and different features.

Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of ...