Jul 24, 2010 - A hair is either pigmented or it's white. In fact, a person who's afraid of 'going gray' as he ages might be comforted to know that gray. May 4, 2018 - Gray hair may indicate more than our biological age: It could signal one of . coronary artery disease and how much grey or white hair they had. The differences between white and gray hair may vary for Several reasons. So, let's learn about its causes, remedies and future perspectives too. Aug 23, 2012 - The bad news: The premature graying problem is largely genetic. Hair follicles contain pigment cells that produce melanin, which gives your tresses their color. When your body stops generating melanin, hair presents itself as gray, white, or silver. Sep 14, 2013 - Gray (often spelled as grey in the UK) is an optical illusion. In actual fact the strands of hair which are always white, only appear gray because they are mixed with the remaining, naturally dark coloured hair. This explains why many people, not only Americans, say they are going gray. May 22, 2017 - Now that you're older, you may notice thinning in certain areas of your head, or your hair may change from its original color to gray or white. Jun 27, 2014 - Gray hair — the actual physiological process involves the loss of pigment cells in our hair follicles. The strand of hair will no longer produce melanin, thus giving the hair a silver, white, or gray color. A: According to scientists, there is actually no such thing as a gray hair. Hair is either a certain color (black, brunette, red or blonde), or it is white. 'Gray' hair is a . May 4, 2018 - Before we delve into the details of the study, it's worth explaining what gray hair signifies on a biological level. Our hair is naturally white, but it . Or maybe you wonder why your granddad has a full head of silver hair when in old pictures it's dark brown. Getting gray, silver, or white hair is a natural part of .