I feel so sorry for OP to have asked. It will be so hard for them to find the answers that are actually helpful and ignore every that's nonsense or actively harmful. They are desperate and likely don't have the energy to fight all this.
It's true that newly diagnosed people might be more vulnerable to such things, I mean, I was and have pursued speculative things out of despair, so it's a fair warning to them.
Few die form MS, but it makes you weaker to other conditions, so maintaining good health is key.
Be present and understand that there are many in far worse situations than yourself. For my condition there is one DMT (as I have PPMS) called Ocrevus, and there are trials for other drugs. Time will tell what works well, but hope springs eternal.
Once last point: it is diagnosed by Venn diagram: the inter station of MRI lesions, mobility issues, spinal fluid bands. It is a circumstantial conclusion: we are in the early days of understanding this condition. Just remember that life is terminal and enjoy every day to its fullest.