By Mavis Toh

Young, virile men are popping pills meant for people with erectile dysfunction (ED).

Claiming that the tablets give them a 'kick' out of sex, they disregard warnings by doctors that such a habit can be psychologically addictive.

John (not his real name), for example, took Viagra 'out of curiosity' and found he liked the more satisfying sex it seemed to give him. 'I lied that I had anxiety issues to get my GP to prescribe Viagra. It was easy,' said the 28-year-old bachelor.

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