How much risk is involved Forex trading?

How much risk is involved Forex trading. How to overcome the risk involved in forex trading. Share your tips and tricks to successful earn from forex.
Must have working strategy
Risk:Reward Ratio should be not lower than 1:2
Money management risk per trade between 0,25%-0,50% from account value
Forex is risky but the amount of risk can actually be controlled. Using special risk management technique like appropriate risk reward ratio and stop losses.
It depends on, how much risk percentage is used by a trader! Forex market is open for all, means you can use this market according to your choice! By the way, in order to my personal trading experience I have seen, professional Forex traders are always defensive; besides greedy Forex traders are too much aggressive! Usually in my live trading, I use only 2% risks (per trade)!