Billions of cups of coffee are made and drunk every year, but what is the caffeine in coffee doing to your body?
Caffeine is a stimulant drug which stimulates your central nervous system. This drug though effects people differently. Some people are more tolerable to caffeine and can drink more than others, but like most things in life, coffee and caffeine has its ups and downs.
BACKING TRACK: [ Ссылка ] Used under Create Commons Licence.
