The new technique is a second-generation clock that, as the name suggests, uses easy-to-access cells from inside the cheek to quantify molecular aging. “We also demonstrate that specific methylation ...

People habituated to biting their cheeks will find white residue in their mouth, which is nothing but excess keratin produced ...

E-cigarette users had similar changes to the DNA in specific cheek cells as smokers, according to a new study that provides some insight into the health effects of vaping. The researchers studied ...