Researchers have uncovered another difference between the sexes: women get more, deeper wrinkles around their mouths than men do as they age.

And they have identified several reasons for the gender imbalance.

The research, which appears in the latest issue of the Aesthetic Surgery Journal, looked at both male and female cadavers, studying the skin around the upper lip.

They found several key differences between the sexes.

One of the major ones that lines are deeper in women is that women have fewer sweat glands around the mouth than men.

Computer games may get added to the Sudoku and crossword routines of older people looking to stay sharp, according to a new study published in Psychology and Aging.

The new US study builds on previous work that showed the benefits of playing computer games such as improving problem-solving abilities in young people, through to improved operating skills in surgeons, reports Health Day.

The study is the first to show that playing complex computer games after receiving training may improve cognitive functions that usually decline with age.

Scientists at the Albert Einstein College of Medicine of Yeshiva University in New York may have found a way to halt the biological clock that slows down our bodies as we age.

As we age our cells become less efficient at ridding damaged protein, resulting in toxic build-ups that are pronounced in Alzheimer’s, Parkinson’s and other neurodegenerative disorders.