Pharmaceutical companies don't have the market cornered on all cures for that which ails you. Grandma did her part long before dextromethorphan was supposedly stopping coughs. What we didn't understand until now was that Granny was getting it right more often than we thought. Doctors are expensive, and Grandma's cures are back en vogue.

Grandma didn't always get it right, though. Here are some favorite home remedies for cough and cold, along with whatever we've learned about them since Granny first gave honey (or brandy) to dear old Dad.