Blunt head trauma can happen from a blow to the head, and result in serious damage to the brain. According to the National Institutes of Health, the impact can range from a minor bump to severe brain injury. According to braininjury.

A brain bleed is a medical emergency that occurs when you have head trauma or suffer a stroke. Brain bleeds can occur within your brain (intracranial hemorrhage) or on the outer portions of your brain (subarachnoid hemorrhage).

You've probably heard that exercise can have a positive effect on your mood. Exercise can help stimulate the release of endorphins, which are the "feel-good hormones" that supposedly give you a feeling of elation after you've finished sweating it out.

Your brain requires oxygen to function, and oxygen reaches your brain via blood. Regular exercise may increase your supply of "tiny blood vessels that bring oxygen-rich blood to the region of the brain responsible for thought," notes the Harvard Medical School, and the Franklin Institute adds that walking "

Most people would love to be more creative. You may feel that you have an untapped talent or creative ability but you're not sure what it is. The right hemisphere of your brain is considered to be your creative center.

Cysts are small pouches of fluid that can form on organs anywhere in the body. Brain cysts can be caused by developmental abnormalities and may be present at birth, causing them to be classified as primary brain cysts.

The National Cancer Institute describes a brain tumor as a mass of tissue that grows within the brain. Such tumors can either be malignant or benign. A malignant tumor contains cancer cells that may spread throughout the brain and spinal cord.

The human brain benefits from both physical and mental exercise. Physical exercise helps the brain by improving circulation and memory, and balance, coordination and reflexes are all improved with exercise.

The right and left sides of our brains control different functions. The concepts discussed in this article are true for most people, but the brains of some people will be different than these general findings.

Post Traumatic Stress Disorder (PTSD) is a condition that arises when a person is subjected to an overwhelming experience of trauma. "The American Psychiatric Association in the "Diagnostic and Statistical Manual of Mental Disorders-IV states that PTSD is an "anxiety disorder"

A brain cyst is a small sac that is filled with air, liquid or another type of material. Cysts are different than tumors, explains MayoClinic.com. A cyst is small, noncancerous sac. A tumor, in contrast, is caused by the abnormal growth of cancerous cells, forming a lump full of tissue.

Cerebral hypoxia is the condition in which the brain experiences a lack of oxygen. Any number of conditions can cause hypoxia, including stroke, carbon monoxide poisoning, heart dysfunction, drowning and injuries sustained at birth.