Scientists aren't claiming to know how life began. However what they can tell you, because of the research, is that various complex organic molecules essential for life can form under natural conditions. These complex molecules have been found in space and near volcanic vents in the ocean. There is also no known reason that prevents life from arising via natural means. In the absence of any supernatural being, the natural explanation seems the most plausible and logical.explanations. There is no Muslim physics or Hindu physics or Christian physics... it's just physics, just chemistry, just biology.
There are a few alt med protocols that have proven efficatious under objective testing, and many more - homephathy - that have been scientifically proven to be useless.