Researchers have shown that Regular Coffee Drinkers can sniff out even trace amounts of coffee as well as faster at recognizing its aroma as compared to non-coffee drinkers.

High caffeine consumers were able to detect even heavily diluted coffee and this ability increased as the level of craving also increased. This shows that even with mildly addictive drugs, craving increases the ability to detect that substance.

This study points out that ability to detect the smell of a drug could be a useful index of drug dependence and open new ways to treat addictions.

Read the full story: University of Portsmouth
Scientific publication: Experimental and Clinical Psychopharmacology