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.
Report Abuse. Waxing doesn't make your hair grow back thicker, in fact the more you do it, the thinner it becomes. It is also a myth that shaving makes hair grow back thicker, it only looks thicker because it cuts your hair off at the thickest part, but it makes no difference to how thick or thin your hair normally is!