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.
There is some evidence that normal alcohol intake makes the process more efficient to a point, creating a tolerance, though, in the long run, the metabolizing of alcohol permanently alters liver cells and decreases their ability to carry out normal functions as well as metabolizing alcohol.