We all know of popular homegrown remedies but how effective are they? Dr Anil Ballani, Consulting General Physician, Hinduja Hospital, says, "Home remedies offer cures with simple, ingredients such as honey, fruits, herbs and natural oils. They, at times, can cure common ailments with no side effects, but they need to be used judiciously." We look at five common home remedies and deconstruct and explain the science behind them.