Magnetic resonance imaging, or MRI, brain scans can be a useful diagnostic tool for many different conditions. However, their ability to diagnose conditions such as mental illness is still limited.

Gastritis is the irritation and inflammation of the lining of your stomach due to bacterial infection, use of certain medications or injury.The condition can come on suddenly in an acute attack or can be more chronic in nature.

The right and left sides of the brain focus on different skills which, when combined, enable individuals to be rational and spontaneous, analytical and creative. As with physical exercise, working on both sides of the brain enables them to sharpen and coordinate.

Researchers are increasingly interested in the role certain dietary supplements may play in mood disorders and cognitive functioning. Flaxseed oil, made from the seeds of the flax plant, may provide a number of benefits for mood and brain functioning. Do not use flaxseed oil in place of conventional medical treatment.

Calculation of intravenous medications can be time consuming, but once you become familiar with the conversion formulas it will be second nature. Although most pumps can calculate drips based on dosage and weight, the astute caregiver will always recheck these calculations with their own math.

Fibroids are uterine muscle tissue growths. According to MedlinePlus, a publication of the National Institutes of Health, 75 percent of American women of childbearing age will develop them in their lifetime. Fibroids vary in size with very small growths often going unnoticed.

The most common form of groin injury is a groin strain. This is a small tear in the adductor muscles in the inner groin area. Many strains will heal by themselves with initial rest -- followed by a program of rehabilitation exercise.

The hypothalamus is the area of the brain responsible for hormone production. Hormones released from the hypothalamus help control body temperature, hunger and thirst sensations, mood swings, sex drive, sleep and heart rate.

Neuroplasticity refers to your brain's ability to reorganize neural pathways, and brains with more pathways have more plasticity. Your brain enriches its network of dendrites and neural passageways every time it processes new experiences.

The cerebrum, which is the largest part of the brain, is divided into four areas, or lobes, each of which houses different functions. The cerebrum is also divided into two hemispheres: the right, which helps you think creatively and the left, which helps you think logically.

When you wake up with the telltale splitting headache and debilitating nausea of a hangover, you may be willing to try nearly anything to get rid of the symptoms. Old wives tales of drinking more alcohol and eating raw eggs may not be as effective as getting up and moving your body.