Stress-Busting Foods: How They Work. Foods can help tame stress in several ways. Comfort foods, like a bowl of warm oatmeal, boost levels of serotonin, a calming brain chemical. Other foods can cut levels of cortisol and adrenaline, stress hormones that take a toll on the body over time.
What Is EGR? Exhaust gas recirculation (EGR) is a system that takes exhaust gas from a dieselâs exhaust manifold and reintroduces it into the intake of the engine to reduce the combustion chamber temperature.
Electromyogram (EMG). An EMG measures the electrical activity in a muscle in response to stimulation. It is used in conjunction with a neurological exam to help physicians diagnose a wide range of problems, including: 1  Nerve damage from disk compression in the neck or back.2  Nerve compression from carpal tunnel syndrome.lectromyogram (EMG). An EMG measures the electrical activity in a muscle in response to stimulation. It is used in conjunction with a neurological exam to help physicians diagnose a wide range of problems, including: 1  Nerve damage from disk compression in the neck or back. 2  Nerve compression from carpal tunnel syndrome.