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.
(historical) A mass of iron or lead hung from the yardarm, in readiness to be dropped through the deck and the hull of an enemy's vessel to sink it. (nautical) A kind of wreath or strap of plaited cordage. (nautical) A spar or buoy held by an anchor and furnished with a ring to which ships may fasten their cables.