My friend kept some snacks in a drawer. The packet was opened and he sealed the mouth with only a clothe clip. Also he kept napthalene balls in the same drawer. I ate some of them a good one or two handful maybe. But I immediately stopped eating once I felt I tasted something like napthalene. Then he told me that he had kept napthalene in the drawer as mentioned above. I don't have any other symptoms except a dry throat and like some initial convulsing symptoms after he told me.