Dried fruit like raisins can be a healthy choice for diabetics, but the rule of thumb is always to use moderation and portion control. Dried fruit is dehydrated, so most of the water has been removed leaving it more concentrated and sugar-dense than their whole counterpart.
One cannot use the Euro in Poland. According to Poland's official travel website, it is not part of the Euro currency zone. The legal tender of the country is the zÅoty.
Poland - Currency and Cost of Living. The Polish unit of currency is the zloty (PLN), made up of 100 groszy (gr). As at February 06, 1 PLN was equivalent to US$0.31, 0.266 Euros, and GBGBP0.18. Banknotes come in denominations of 10, 20, 50, 100 and 200 PLN, and coins in denominations of 1, 2 and 5 PLN and 1, 2, 10, 20 & 50 gr. The cost of living is low in Poland, but incomes are also very low with average annual salaries only around 25% of those in other EU countries.