A research paper, titled “Causal effects of inflammation on long-term mortality: A mendelian randomization study” was published in Volume 18 of Aging-US by an international team of researchers, provides a definitive answer by using a powerful genetic technique to untangle cause from effect.
Aging-US Research
Researchers used nationally representative data to examine the relationship between sleep disturbance and deficiency and their risk for incident dementia and all-cause mortality among older adults.