Weight is a good guideline for blood volume in people of average build. This is why we set a minimum weight limit of 7st 12lbs (50 kg) because if more than 13% of blood volume is taken there is more risk of the donor feeling faint after donating.
Not surprisingly, the one factlet most often offered up as revealed truth is wholly false: Your hair and nails do not continue to grow after you die; it's all optical illusion. The sorry fact of the matter is that we dehydrate after dying. Our flesh dries and, in so doing, pulls away from nails and hair.
Can shaving make your facial hair grow longer thicker and faster? Shaving has no affect on hair growing faster. This is a common myth. Below are the reasons this myth began and persists   Hair grows in cycles that change with age   â¦* Hair grows from the corners of the upper lip, and then forms a complete moustache.