Depends on how you handle it, if you are using bitcoin as investment and trading then there is a big chance that it will bring positive results into your life especially if you are good in those mentioned, however if you are using your bitcoins in gambling and trying to beat the house then surely you will have a bad experience and will regret of knowing bitcoin.
I think there is always a positive effect you have to remember that investment in bitcoin own risk and it is possible people suffered losses in bitcoin due to the risk that, yeah I think it depends on your skill in that field,
yes that is a fact that bitcoin is really has a very positive effect on our lives as it can give us a good profit and but it has a little negative effect on my life also and that is that i give too much time to bitcoin and that really my social life.