Handy Hints .... 4 - After a Cold, it can take a week to get your smell and taste back to normal. 5 - taking some prescription medication and even health supplements can have a limited or severe impact on your senses of taste and smell. It can ruin a good Whisky 6 - Synesthesia - an uncommon condition where the 'wiring' of the brain can cause sense over-lap and people can .... 'taste' music ! 'hear' colours ! 'smell' numbers. .... odd but fantastic.