Coffee contains the stimulant caffeine

Written on November 13, 2009 – 10:11 am | by ozlat |

Coffee contains the stimulant caffeine. This is dead caffeine, unlike bio-active caffeine found in green tea, black tea, yerba mat, guarana, and kola nut. Caffeine is a central nervous system stimulant that is followed by a depressed phase resulting in exhaustion, nervousness, irritability, fatigue, and often headache. Caffeine constricts blood vessels of the brain and [...]