11.   Few men refuse to sit quietly and watch their hair thin.

12.   For some, the hair has thinned.

13.   Hair thins.

14.   Her hair was thinning and she had a rash on her scalp.

15.   His hair has thinned.

16.   His luxuriant white hair has thinned a bit, and his step has slowed.

17.   His hair is thinning a bit.

18.   His hair is thinning and turning gray, and these days John McEnroe often is holding an electric guitar in his hands instead of a tennis racket.

19.   Her hair is thinning and so is her face, but she is smiling.

20.   His brown hair is thinning and a lighter color than it was a quarter-century ago, his cheeks and chin no longer covered with facial hair.