Like HowStuffWorks on Facebook!

Brain & Central Nervous System

The brain performs an incredible number of tasks and nervous system is a network of specialized tissues that regulates thoughts, sensations, basic body functions and more. Explore the many functions of the brain & the central nervous system.

The Brain and Mental Health

The brain is a complex grouping of nerve cells and other structures that help us think, react to the environment, make decisions and carry them out. Take an in depth look into one of the most interesting parts of the human body.

Scientists Discover Your Brain Makes Fructose

Yep. It's tricky like that.

What is a Concussion?

Learn to recognize the symptoms of a concussion and what causes them. Worried that your child has a concussion? Learn the symptoms of a concussion and how to treat it.

Test Your Brain

How smart are you? Take this quick brain test to peek inside the power of your brain.

Are teens’ brains fully developed?

Teens brains really function differently than adult brains. Learn about the development of teens’ brains in this article.

What is the extrasensory brain?

Whenever you delve into the realm of the paranormal, you're bound to feel the heat of argument between skeptics and believers. Why not end the argument once and for all and locate the part of the brain that may (or may not) control ESP?

Brain Fitness Pictures

Having brain fitness is just as important as having physical fitness, but many people don't know how to train their brain. Check out this gallery on brain fitness and how you can train your brain.


Memory, the mental process of bringing into the conscious mind material that has been learned and retained.

Can brain foods make you smarter?

Instead of just giving in to your food cravings, how about nourishing your brain? Take a look at the foods that kick-start your smarts. Here's a hint -- that candy bowl's not going to help.

How does the body make electricity -- and how does it use it?

Everything we do is controlled and enabled by electrical signals running through our bodies. But how are those signals produced, and what happens when your electrical system breaks down?

Brain Teasers and Mind Games

A healthy brain works better longer, keeping memory accurate and thought processes clear. Learn more about the benefits and options of brain teasers and mind games on your health.