Study Reveals Protective Gene Which Shields Seniors From Mental Decline
New research suggests that evolution may protect seniors from mental decline. A University of California study points to the evolution of gene variants that block mental depreciation. The study discovered that humans have evolved a CD33 gene variant, which protects the elderly from dementia. Findings from this were published in the Proceedings of the National Academy of Sciences. Study co-leader Dr. Ajit Varki says, “Such genes likely evolved to preserve valuable and wise grandmothers and other elders, as well as…