Getty. Much like the rest of your body, your hair goes through changes as you get older. The hair cycle -- rest, shed and grow -- slow downs, and can lead to hair loss, which can be very traumatizing. Your hair changes every seven years, explains women's hair restoration expert Lucinda Ellery. There are 150,000-200,000 hairs on our heads; we actually shed 100 a day, 36,000 in a year on average.
Definitions of yardstick. 1. measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths.
: a long, flat tool that is one yard long and is used to measure things. 2. : a rule or specific idea about what is acceptable or desirable that is used to judge or measure something. Some feel that test scores aren't an adequate yardstick for judging a student's ability. Ratings are the yardstick by which TV shows are evaluated by networks.