underlie

Although the underlying mechanisms are not fully understood, scientists think that some of the hallmarks of diabetes -- such as high blood sugar, insulin resistance, and inflammation -- may encourage the development of dementia in the brain.

The figures are rounded to the nearest 50,000, with Kendall adding this meant "small variations" in the underlying numbers could "lead to much larger changes in the rounded headline numbers".

"Anger is often a secondary emotion or a response to underlying feelings," Clark said.

Kendall said this meant "small variations in the underlying numbers impacted can lead to much larger changes in the rounded headline numbers".

The mechanisms underlying skin renewal are still poorly understood.