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Mayo Clinic Health System is your resource for Department of Transportation (DOT) exams. Since 2014, the Federal Motor Carrier Safety Administration (FMCSA) requires certification for those who p...

Sciatica refers to pain that radiates along the path of the sciatic nerve, which branches from your lower back through your hips and buttocks and down each leg. Typically, sciatica affects only one s...

A brain lesion is an abnormality seen on a brain imaging test, such as an MRI or CT scan. A brain lesion may involve small to large areas of your brain, and the severity of the underlying condition m...

Pituitary tumors are abnormal growths that develop in your pituitary gland. Some pituitary tumors result in too many of the hormones that regulate important functions of your body. Some pituitary tum...

A brain tumor is a mass or growth of abnormal cells in your brain or close to your brain. Many different types of brain tumors exist. Some brain tumors are noncancerous, or benign, and some brain tum...

Traumatic brain injury occurs when an external mechanical force causes brain dysfunction and usually results from a violent blow or jolt to the head or body. An object penetrating the skull, such as a...

Trigeminal neuralgia is a chronic pain condition that affects the trigeminal nerve, which carries sensation from your face to your brain. If you have trigeminal neuralgia, even mild stimulation of you...

If you're an expectant parent ― but not the pregnant one ― you may be wondering where you fit in. It's important to be involved in your partner's pregnancy, from going along to the first doctor's visi...

Hydrocephalus is the buildup of fluid in the cavities (ventricles) deep within the brain. The excess fluid increases the size of the ventricles and puts pressure on the brain. Cerebrospinal fluid norm...

Eat well During pregnancy, you'll be eating for two ― you and your baby. However, don't think of this as eating twice as much. Instead, think of it as eating twice as well. Most of your baby's major o...