There can be a number of psychological triggers that cause nightmares in adults. For example, anxiety and depression can cause adult nightmares. Post-traumatic stress disorder (PTSD) also commonly causes people to experience chronic, recurrent nightmares. Nightmares in adults can be caused by certain sleep disorders

Though you might think of your spinal cord as one single piece, it's actually a column of nerves protected by a sheath of myelin and then further secured by 31 butterfly-shaped vertebrae (singular: vertebra). Medical providers divide the spinal cord into four distinct regions. Knowing the region in which the injury is located is often the key to understanding diagnosis and treatment. The four spinal cord regions are: The cervical spinal cord: This is the topmost portion of the spinal cord, where the brain connects to the spinal cord, and the neck connects to the back. This region consists of eight vertebrae, commonly referred to as C1-C8. All spinal cord numbers are descending, so C1 is the highest vertebra, while C8 is the lowest in this region. The thoracic spinal cord: This section forms the middle of the spinal cord, containing twelve vertebrae numbered T1-T12.

In this video I discuss sexual function for people with a spinal cord injury. The amount of feeling and function can vary drastically depending on the level and severity of the injury to the spinal cord.

This surgical glue can seal wounds in just 60 seconds

The kid swallowed a coin. Just watch how professionally a doctor extracts it, while another hospital might even perform a surgery and empty the parent's...

Capsaicin binds to pain receptors on our nerves called TRPV1. Normally, it reacts to heat by sending warning signals to the brain. Capsaicin causes TRPV1 to send those same signals. So, you react as if there's something hot in your mouth

For more information please visit: https://www.yalemedicine.org/c....onditions/acl-injury

Serious injuries, by and large, cause a lot of swelling in the knee. Especially in younger patients. Now, someone could be arthritic and they overdo it going for a big long hike and they get some swelling the next day. But rapid onset of swelling, it's like hard to make out where your kneecap is, is a pretty big cardinal sign that there's something serious that's happened to your knee. Rapid onset swelling is usually due to blood in the joint. "A meniscus that really tears and flips in the front. You tear your quad or your patellar tendon, your kneecap dislocates, you tear a little blood vessel, your ACL tears, a piece of cartilage in bone gets knocked off and causes bleeding. So a lot of the really significant injuries, people get rapid onset swelling within three to four hours and they should seek attention There's always exceptions to rules, but if your knee looks like a grapefruit, you should go get it checked.

Here’s how surgeons perform LASIK surgery.

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Dr. Ankur Gupta of the Virginia Eye Institute discusses LASIK eye surgery as a method of correcting refractive errors. LASIK was first performed in Virginia on an FDA-approved laser by a VEI surgeon in 1996. Today, Virginia Eye Institute offers both conventional LASIK and custom LASIK with the bladeless IntraLase laser to precisely sculpt your cornea to correct refractive errors.

For more information on the services and procedures offered at Virginia Eye Institute please visit: https://goo.gl/6nX4RZ

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Complete clinical examination of the ears with all the associated tests

Observation of both jugular veins can provide a reliable indication of the volume and pressure in the right side of the heart since internal jugular veins pulsate in response to phasic changes in right atrial pressure. Proper positioning of the patient to increase the effects of gravity enhances distention of the jugular veins and, therefore, increases the ability to observe venous pulsations.

Examination of the Shoulder and Elbow

A video from the New England Journal of Medicine performed by Harvard Medical School showing basic lacerations repair