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.
Knowing the Risks. 1  1. Drink with moderation. Drinking alcohol to treat a cold cannot replace actual medicine or rest. 2  2. Be aware that alcohol can weaken the immune system. Drinking too much alcohol can weaken your immune system, making it easier for you to get sick. 3  3. Know that alcohol can dehydrate you.