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.
Alcohol is a central nervous system depressant and toxin, affecting the body in much the same way as opiates, barbiturates, and tranquilizers. It is the most widely used and abused mind-altering drug in the world today. Alcohol affects your brain.