Yes you can gamble through some of the sites such as primedice, 999dice ect . These sites are the most safe method which will help you in gamble.
There is no safe way of gambling, If there is then the gambling addicts will probably cured or there will never be one . And how can the gambling site earn if they have a safe way of gambling? It will be best to just gamble the amount that you can afford to lose, that way it will be less risky
You should be clear about your definition of safe way of gambling first. It seems you are confused with some terms. But if there is actually no safe way then everyone who play gambling will be a gambling addict. But the fact people who came play and gamble are not all addicted simply means there is actually a safe way of gambling.
Curing people who are addicted to gambling is a different story and according to researches there is no cure in it but you can regain control of yourself thru successful treatment.