Key points from article :
Fatty liver disease may result from our cells' nuclei getting wrinkly.
Disfiguration of our DNA compartment could cause other unwanted effects of aging.
Genes that are turned off are shoved up against the nuclear membrane.
Aged nuclear membranes become irregular and prevent turning off.
Wrinkling stems from a lack of cellular protein lamin.
Could use viruses to deliver lamin back to cells.
The study was published in the journal Aging Cell.