Being a practicing Christian myself, there are very few things in Yoga that conflict with Christianity. Some critics argue that Yoga and Christianity cannot co-exist, and yet we know that Yoga is not a religion.
However, that depends on your opinion. Recently, I was reading about someone who claims Kundalini is new age witchcraft. Sorry to say, another person recently stated, Good Christians should avoid the devils exercise, in reference to Yoga.
Are the Salem witch trials still so close to our hearts? These claims are interesting because ministers and priests have been practicing meditation for centuries, without any complaints.
I suppose, if someone devoted enough time to meditating on bad thoughts, meditation would be a bad experience.
To be honest, it depends upon what you meditate about; and in truth, within some schools of Yoga, Hinduism, or Buddhism is taught. For me, this has always been a conflict, as I love Yoga, but have no desire to change my faith.
The many teachings of Yoga and meditation, are non-sectarian. Now, if Yoga were a religion, which would it be? The principles of Yoga are universal.
The Yamas and Niyamas are...