There is no work without risk and loss. And it is impossible for trading will not be loser. No matter how often lose will be done. But we have to try so that there is no loss and can get started. To be able to have a good and strategical trader. You have to know about the head of trading, then you will have to trade. And if you know how to trade, then there is very little chance of losing.
You are right there is no business that has no risk especially in the world of investment such as trading, of course the risk will always exist and I think the risk will depend on the skills and knowledge you have on the trade, if you want to reduce the risk then you have to hone your skills and knowledge