Their work has shown that seeds age prematurely in zero gravity but not catastrophically so, taking an average of only two hours longer to germinate.

He suggests that products based on certain harsh ingredients (as found in many of these new cosmeceutical ranges) could oversensitise the skin, causing it to age prematurely.

This was the kind of occasion that makes members of his profession age prematurely.

As his health began to give way, he began to age prematurely and fell into fits of despondency.

Such findings might be dismissed as being due to illnesses making people feel they have aged prematurely.