Scholars often debate how social structures evolved during the Late Middle Ages.

Many technological and cultural innovations emerged during the High Middle Ages, transforming European society.

Historians often debate the political structures of the Early Middle Ages.

After filling out the lifestyle questionnaire at the clinic, my health and fitness age was calculated and turned out to be five years younger than my actual age.

As a mature-age student, she balanced evening classes with a full-time job and family responsibilities.

Many mature-age students bring valuable workplace experience to classroom discussions.

She vowed to keep gardening until she reached a ripe old age.

Debates about the age of criminal responsibility often involve psychologists, lawmakers, and child advocates who weigh maturity against public safety.

Many of his friends blamed their middle-age spreads on stress and poor sleep.

Despite her active lifestyle, she couldn't completely avoid the middle-age spread that crept up in recent years.