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.
In the usual sense a yard is a length. It is 3 feet long or 36 inches long. It is a familiar length as we are accustomed to using yard sticks, which are 36 inches long. Thus it seems strange to compare cubic feet, which measure volume, to yards which measure length.