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.
Eventually, your hair usually goes back to the way it used to be after the effect of chemotherapy on the hair follicle wears off. If you lost your hair after whole brain radiation for brain metastases, it may take four to six months before even an inch of growth appears.he answer depends on the treatment: chemotherapy, whole brain radiation, or tamoxifen. If you had chemotherapy, here's a typical timetable: 1  two to three weeks after chemotherapy ends: soft fuzz. 2  one month after: real hair starts to grow at its normal rate.