Wiktionary (0.00 / 0 votes) Rate this definition: electromagnetic spectrum (Noun). The entire range of wavelengths of all known electromagnetic radiations extending from gamma rays through visible light, infrared, and radio waves, to X-rays.
Excessive alcohol can damage the immune system because the alcohol will prevent nutrients from feeding your immune system. The alcohol is absorbed into your bloodstream through your stomach. Once in the bloodstream, alcohol will reduce the white blood cell count in the body.
How does alcohol affect the brain and the rest of the body? Alcohol adversely affects the brain, the liver, the kidneys, the heart, the blood vessels, the lining of the stomach, and various hormonal and regulatory systems. Even the word intoxicated indicates alcohol's true nature - a toxic substance.