By Zahna Eklund Your hair falling out could be a sign of an underlying health issue. We all lose some hair every single day. Having a few strands fall out when we shower or brush our hair isn’t usually anything to worry about, and it’s normal to lose up to 100 strands on any given day. But if you’re losing more hair than is usual for you, then experts say it could be a sign of an “internal disturbance” in another area of your body. Phillip Kingsley’s consultant trichologist Anabel Kingsley explained that hair is a “non-essential tissue”, which means its needs are given “last priority” in our b…