Simplify the following text for a Grade 11 native English-speaking person.
Original: The main acute causes are excessive alcohol consumption or prolonged use of nonsteroidal anti-inflammatory drugs ( also known as NSAIDs ) such as aspirin or ibuprofen .
Simplified: The main causes are drinking too much alcohol , or using nonsteroidal anti-inflammatory drugs ( also known as NSAIDs ) such as aspirin or ibuprofen for too long .