What is the main adverse effect of NSAIDs listed in the paper?

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What is the main adverse effect of NSAIDs listed in the paper? Answer: Gastric ulcer

Gastric ulceration is an important adverse effect of NSAIDs because inhibition of prostaglandin synthesis can reduce protection of the gastric mucosa.

Question context

This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.