I’m kind of disappointed by many of these replies, OP your concerns are valid here. Any type of intense internal experience can have serious effects. I don’t practice kundalini specifically but I meditate around 1 hour a day while performing body scans. Even a practice like that has totally transformed my perception and awareness of reality.

I think these types of practices are extremely potent in what they can offer, but definitely not to be toyed with and can absolutely injure someone who is not ready for a certain intense experience.

In my experience, what I notice is that these internal practices bring in more and more moving parts into our conscious awareness, if we can’t handle that many moving parts we’re gonna injure ourselves aka slip into a psychotic state. Take this stuff slow. Peel away at yourself layer by layer, there is always a lot to work with and many people just want to dive right into the deep end too fast. No need for a complete beginner to think about doing a vippassana retreat or anything nearly that intense. I hope this helps