How can i lose weight in a healthy way

I have always had some problems with my health and I got used to this already. You have to be ready for the fact that life has a lot of unexpected situations for you that you will have to deal with and in my case it was the health. Even though I was living in a healthy way I have always had some problems with my health. That is really strange but even though I have consulted many specialists, none of them were able to help me. I have noticed that the only thing that I can do in order to stay healthy and to feel good is to stick to certain rules that I have created for myself. Now I have decided that I want to learn how can i lose weight. As you probably expect I want to do it in a healthy way as well. It is important for me as it gives me the guarantee that my organism won^t collapse. Do you agree with me? The problem is that even though I have tried looking for this information, I have found it difficult to establish how can i lose weight and stay healthy. It turns out that most of the methods are not good for our body. If you can help me in some way, please share your opinion about it with me. I am sure that if you provide me with some suggestions my approach to this will change as well.