Memory is the way your brain takes in and stores information so you can use it later on. Memories define who you are in a lot of ways. They help you recall things like important dates, facts, and even ...

Glial cells are an integral part of the human nervous system. They help support and nourish nerve cells, or neurons. Several types of glial cells exist. Glial cells are the “glue” of the nervous ...

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 ...

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 ...

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 ...