What does too much caffeine do to you?
user
There is too much caffeine in tea, coffee and cola.
assistant
What does it do to you if you have too much?
user
There are three effects:

1.  Toxins are formed by a chemical process in the liver, which reduces the functions of the liver and kidney.

2.  Blood pressure increases, causing high blood pressure and heart failure.

3.  Because of increased heart rate, even people with heart problems will have a risk of heart attacks.  It also causes arrhythmia.
assistant
Okay, that's scary. Anything else?
user
It is also said that some studies claim caffeine has a neurotic effect on teenagers.
assistant
What does too much caffeine do to you?
user
There is too much caffeine in tea, coffee and cola.
assistant
What does it do to you if you have too much?
user
There are three effects:

1.  Toxins are formed by a chemical process in the liver, which reduces the functions of the liver and kidney.

2.  Blood pressure increases, causing high blood pressure and heart failure.

3.  Because of increased heart rate, even people with heart problems will have a risk of heart attacks.  It also causes arrhythmia.
assistant
Okay, that's scary. Anything else?
user
Toxins in the liver are not good for you.
assistant
What does too much caffeine do to you?