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.
Patients who undergo chemotherapy often lose a great deal of, if not all of, their hair during the process. Most patients will eventually get their hair to grow back, but there are a few things they can do to speed up the process and ensure that they get a strong head of hair. While each patient will experience a different rate of hair growth after chemotherapy, they can find help to get things underway in a healthy manner and pave the road for the new hair growth.