disadvantages of caffeine
1 Cup Daily. Advantages -- regulates the level of blood pressure and positively affects blood vessels. Coffee is known as an excellent antioxidant that stimulates brain activity. Disadvantages -- just a cup of coffee disturbs sleep at night because our body needs 8 hours to process the caffeine from the coffee itself.
An overdose can lead to caffeine intoxication, which include symptoms of anxiety, nervousness, restlessness, irregular heartbeat, and insomnia. In extreme cases, a large overdose can lead to hallucinations, depression and even fatality.