It is hard to eat a healthy diet when you eat at fast-food restaurants often, the site goes on to say. Many foods are cooked with a lot of fat, even if they are not trans fats. Many fast-food restaurants do not offer any lower-fat foods.
Lithuanians will speak Russian automatically, Polish is a different language but they will have learnt Russian in school in the same way that English children learn French, that is - because they're the immediate neighbours. In the Old DDR, they taught Russian as the second language automatically. Some schools there still do.
The official language of Lithuania is Lithuanian. According to the Lithuanian population census of 2001, about 84% of the country's population speak Lithuanian as their native language, 8.2% are native speakers of Russian, and 5.8% speak Polish.