Angina is a type of chest pain that feels like a pressure or squeezing on your chest. Angina occurs when not enough blood flow and oxygen are getting to a part of your heart. Angina can occur regularly or unexpectedly. Most people will experience angina pains with activity or stress.

Albumin deficiency, or hypoalbuminemia, is an abnormally low level of the protein albumin in the blood. You might have it tested as part of a standard panel of liver function tests. The normal range for albumin is 3.5 to 4.5 mg/dL. If your albumin level is less than 3.5 mg/dL, it is considered low.

Serotonin is an important chemical in your body that is responsible for a number of physiological functions and brain processes, such as mood and sleeping. Along with dopamine and norepinephrine, it is chemically categorized as a monoamine neurotransmitter.

When you quit smoking, it can be a liberating feeling to break the addiction. However, dealing with the habits associated with smoking, such as lighting up after a meal or having a few puffs when stressed out, can be just as hard to break.

Your psoas muscles are the muscles located in the front of your hip area. These muscles are responsible for helping you lift your leg and move your torso toward your thighs. If you experience a muscle cramp in the psoas area, a number of things could be to blame.

The scapula is a flat bone in the back of the shoulder that is often referred to as the shoulder blade. Pain in this region is often the result of tight muscles or injury to the rotator cuff -- a small grouping of muscles that allow you to move your shoulder in multiple directions.

Forskolin is a natural supplement derived from the root of a plant called Coleus forskohlii. Traditionally, this herbal treatment has been used to treat a variety of health conditions including insomnia, convulsions and heart and lung diseases.

One of the reasons the body's temperature is so carefully controlled to stay in a narrow range is that it affects how different chemical reactions work. Changes in temperature can affect the activity of special proteins known as enzymes, which are needed for many of the processes essential to life.

Your digestive tract has the responsibility of breaking the food you eat down into smaller pieces, both mechanically and chemically, so that your intestine can absorb the nutritional molecules from the food. Doing this requires the use of digestive juices and enzymes secreted by various organs of the digestive tract.

Too many oxalates in the diet can lead to health problems, including kidney stones. Following a diet that is low in oxalates may help reduce the risk of kidney stones, and it may be possible to neutralize some of the oxalates before they are absorbed by the digestive tract.

It all comes down to gray and white--matter that is. A study conducted by Yaling Yang and Adrian Raine of the University of Southern California (USC) College of Letters, Arts and Sciences, showed there are structural abnormalities in the brains of pathological liars.

According to MayoClinic.com, arm pain, including pain on the right side under the arm, may be generated by nerves, bones, muscles, tendons, ligaments or joints. Underarm pain is often the result of traumatic or overuse injuries.