It is like a dug because there is a change in the brain cells that grow more adenosine receptors, which is the brain’s attempt to maintain equilibrium in the face of a constant onslaught of caffeine, with its adenosine receptors so regularly plugged. This explains why regular coffee drinkers build up a tolerance over time, it takes more caffeine to block a significant proportion of them and achieve the desired effect which is why it is so addicting. It is not as bad as a worse drug because the effects of caffeine <span>are relatively short-term.</span> Caffeine is a stimulant that affects the nervous system in various ways.
C
you don't need to know how I know.
This is sentence for ' Endeavor"
1) Perhaps we should endeavor to approach our problem together
2) I will endeavor to speak a good word for the truth
I hope that's help:0
