Even though it's not as harmful as cigarettes, it's still harmful and addictive. Better to stay away from anything that can cause addiction, especially when you don't need it. Don't start bad habits that will ruin your life later.
The latest studies show that using snus has a link for some cancers like oral cancer and the risk of stroke is up to 72% higher than those who do not use any tobacco products. Nicotine is absorbed rapidly into the bloodstream and may cause heart failure and cardiovascular diseases. As there is no benefits for your health, only harm, why to use it at all?