Researchers (1) ________the rapid increase down to changes in lifestyle, particularly the greater awareness of the importance of regular exercise and a healthy diet. This, they point out, is in (2) ________with similar trends in the height and weight of present-day adults. Interestingly, it appears that nails have a propensity to grow fastest (3) ________warmer conditions, with the quickest growth rate among young people, and men. The fastest growing nail is on the middle finger while that on ...

Researchers (1) ________the rapid increase down to changes in lifestyle, particularly the greater awareness of the importance of regular exercise and a healthy diet. This, they point out, is in (2) ________with similar trends in the height and weight of present-day adults. Interestingly, it appears that nails have a propensity to grow fastest (3) ________warmer conditions, with the quickest growth rate among young people, and men. The fastest growing nail is on the middle finger while that on the little finger is (4) ________the slowest, at only a fraction over 3 mm (5) ________month.

Researchers (1) ________the rapid increase down to changes in lifestyle, particularly the greater awareness of the importance of regular exercise and a healthy diet.