classification of drugs >>> caffeine >>>
Toxicity and Chronic Effects
Caffeine may cause some noticeable changes as a clink in the ears, gleams of light, strong excitement and even rudiments of delirium; doses of about 2 gr. lead to disorientation, craziness, fear, bursts of violence and eventually exhaustion and collapse.
Caffeine is an antagonist to the medicines with anti-convulsive effect and that is the reason why the caffeine-containing products are not recommended to people, who suffer from epilepsy. The same advice may be directed to those, who have ulcer or gastritis, because caffeine increases the secretion of hydrochloric acid in the stomach.
The bones of people, who often drink coffee, lose noticeable amounts of Calcium and grow weak, but one cup of milk every day is absolutely enough to counteract this effect.