Question: systems supposedly allow the gambler to have an edge.
Answer: --> Systems supposedly allow the gambler to have an edge.

Question: other games like robo run
Answer: --> Other games like Robo Run

Question: since dhea supplements may have unexpected side effects, you should be cautious and consult your doctor.
Answer:
--> Since DHEA supplements may have unexpected side effects, you should be cautious and consult your doctor.