Caffeine has many Psychological symptoms linked to it as well, such as addiction because caffeine is labeled as a stimulant so overtime people can become addicted to it (Martinez, 2010). Surprisingly you can become physically dependent on caffeine with only taking in doses as low as 100 mg a day (Gaskins, 1998), this is equivalent to 1 cup of coffee or 2 sodas! Also just like any other drug you can become addicted to, “people who are addicted to caffeine will experience withdrawal symptoms when they don't have enough in their system”
Running head: Caffeine and the human body
(Martinez, 2010). Other psychological symptoms that correlate to excessive caffeine ingestion are increased anxiety for those who already have anxiety and sleep