Answers

2016-01-15T13:25:56+05:30
Cough syrup is actually is an antibiotic. antibiotics dont work on viruses as they are immortal ie they live in host bodies and if the host body dies they will also die. whereas bacteria are living and have a definite shape. so antibiotics easily kill them and  gives us relief from cold and cough    
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2016-01-16T20:51:07+05:30
It help our immune system to build up strong.and fight against the virus causing cough.
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