Complex sentence: This would have progressed causing Ramsey to "hit bottom" at one point; meanwhile, it would be discovered that the abnormality in Ramsey's brain that caused him to be a dwarf actually made him immune to the alien infection.
Split into simpler sentences: This would have progressed causing Ramsey to "hit bottom" at one point. Meanwhile, it would be discovered that the abnormality in Ramsey's brain that caused him to be a dwarf actually made him immune to the alien infection.