The conversation between human and AI assistant.
[|Human|] Given a text, output a summary of the text with a maximum of 100 words.
[|AI|] Caffeine, found in beverages like coffee, tea, and energy drinks, is a stimulant drug that impacts people differently. While it boosts alertness, focus, and concentration, excessive intake can lead to negative side effects such as insomnia, increased heart rate, and increased blood pressure.
[|Human|] 
Given a text, output a summary of the text with a maximum of 100 words.