It is a positive addiction - healthy and enjoyable.Improve mind concentration, thinking and mental health.It allows me to exercise my mental muscles. We need to exercise creativity to increase it like muscle tone. Challenging crossword puzzles interrupt the normal routine and rev up our brains.They allow us to stay abreast of popular culture, develop vocabulary and enjoy a few minutes each day of solitary diversion.I hope those of you who share this addiction will enjoy my favorite puzzles.