If by the negative aspects I wonder if you mean that accepting Christianity may cause you to have to make some changes in your personal life/behaviour, which of course is anathema in modern society, then yes I'm afraid it does! I happen to believe that Christianity is a powerful force for good in the world. Unfortunately Christians are still human and therefore by definition are somewhat less than perfect people, but of course we also are very aware that we aren't! The snag is, as G.K. Chesterton wrote: Christianity has not been tried and found wanting. It has been found to be too difficult and left untried.” !