Answers

2016-07-31T15:45:49+08:00
Because it wasn't expensive and they can easily access it, and because some people still have beliefs and still believe that they can cure diseases not knowing it can cause more complications and make the disease even more vulnerable to bacterial infection. 
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2016-08-01T21:59:07+08:00
They convince them that their product is effective and healthy but in reality it actually is not
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