Natural painkiller found in human spit. Compound in saliva could be more powerful than morphine. A new painkilling substance has been discovered that is up to six times more potent than morphine when tested in rats — and it's produced naturally by the human body.

Catheterization of the Pulmonary Artery through the internal jugular vein

USMLE Step 2 CS - Erectile Dysfunction Full Video

The liver regulates most chemical levels in the blood and excretes a product called bile. ... Production of bile, which helps carry away waste and break down fats in the small intestine during digestion. Production of certain proteins for blood plasma.

Renal artery stenosis is a narrowing of arteries that carry blood to one or both of the kidneys. Most often seen in older people with atherosclerosis (hardening of the arteries), renal artery stenosis can worsen over time and often leads to hypertension (high blood pressure) and kidney damage.

Lysosomal storage diseases (LSDs; /ˌlaɪsəˈsoʊməl/) are a group of approximately 50 rare inherited metabolic disorders that result from defects in lysosomal function. Lysosomes are sacs of enzymes within cells that digest large molecules and pass the fragments on to other parts of the cell for recycling.

This baby was born with an adult sized tongue - and she just completed a surgery that will change her life.

Ellie was born with a rare condition which stopped her jawbones from growing properly. At first, her parents didn't realize there was a problem, apart from the fact that her teeth were not aligned. But when she went to have braces fitted to straighten her teeth when she was 14, orthodontist Joy Hickman realized her jaw had not grown since she was eight. Over the next six years Hickman worked with a maxillofacial surgeon to transform Ellie's looks. Ellie, who is now 20, said the surgery was painful but paid almost immediate dividends. "About six months after it was my year 11 prom and it looked good." Ellie told the Daily Post the change in her appearance has been matched by an increase in confidence.

SEX DURING PREGNANCY & 7 Tips For A Healthy Pregnancy

A video showing Intubation of the Esophagus

How Respiratory Pump Affects Venous Return

Quick Cranial Nerve Assessment

A video discussing the importance of following up the blood pressure for diabetic patients and the serious complications that they can avoid by this very simple measure.

The infection is generally transmitted by direct contact with the mucus or sores of someone else with strep. Common symptoms include sore throat, fever, and swollen lymph nodes in the neck. Rarely, complications can involve the heart or kidneys. Treatment is important to reduce complications. Oral antibiotics like penicillin, amoxicillin, cephalexin, or azithromycin are commonly used. Other medicines such as acetaminophen or ibuprofen can help with pain and fever.

Uterine polyps, also called endometrial polyps, are usually small, bulb-shaped masses of endometrial tissue attached to the uterus by a stalk. They are soft, as opposed to uterine fibroids, which can grow much bigger and are made of hard muscle.

A very good video illustrating the Interrupted Sub-Dermal Sutures

Smead Jones Sutures - Far Far- Near Near

Nasal polyps are soft, painless, noncancerous growths on the lining of your nasal passages or sinuses. They hang down like teardrops or grapes. They result from chronic inflammation due to asthma, recurring infection, allergies, drug sensitivity or certain immune disorders. Small nasal polyps may not cause symptoms. Larger growths or groups of nasal polyps can block your nasal passages or lead to breathing problems, a lost sense of smell and frequent infections. Nasal polyps can affect anyone, but they're more common in adults. Medications can often shrink or eliminate nasal polyps, but surgery is sometimes needed to remove them. Even after successful treatment, nasal polyps often return.

Brain Worm Infection