![]() Go for a jog or do something else but, by all means, don't stop donating blood. Go for a jog instead for the weight loss, yeah? No it’s a quarter of a kilo of cells, it’s going to grow those back quite quickly so I reckon that's a no no. Also, keep in mind that the safety of exercising after blood donation also varies depending. Complete replenishment of your red blood cells, which carry oxygen throughout your body, takes about four to six weeks, per the Red Cross. The biscuits got 60/70 calories there’s quite a lot of energy in a biscuit, isn’t there? So you’ve only got to make up just a half a kilo of cells. The remaining portion red and white blood cells and platelets is solid and can take more time to recover. So at least a couple of hundred grams of the blood donation is just water, like you say, and that’s your cup of tea bringing it back in. So great idea in theory but probably hasn’t got legs, I don’t think.Ĭhris - So your average blood samples has got 45 percent cells, 55 percent is water. So I think by the time you’re rehydrated, perhaps the next morning, you’re going to be back at the starting weight. The follow-up part of you question about protein and lipids is theoretically interesting but you must remember that most of our body weight is actually due to water. This means people with iron-deficiency anemia cannot donate blood until their iron levels meet a healthy range again. Iron levels: Blood iron levels must be within a healthy range. So I think by the time you leave the blood donation centre about an hour afterwards, most of the weight will have been put on in the form of tea and biscuits. Minimum weight and age: You must be at least 110 pounds and 16 years or older to donate blood (age requirements are state-specific). To donate blood, individuals need to bring a blood donor card or drivers license or two other forms of identification. But, if you have donated blood in the past, you will know that you’re given a nice large cup of tea, plenty of biscuits. So, as you say, your weight is going to go down instantaneously by around half a kilogram. Have not donated blood in the last 56 days. and are at least 17 years old, you could be a blood donor. To take a donation of blood the nurses will usually remove about a pint, so about 500ml of blood. Additional weight requirements apply for donors 18 years old and younger and all high school donors. If you are in good health, weigh at least 110 pounds, have a photo I.D. The NHS is always in need of blood donations at any time of the year. ![]() ![]() ![]() Thank you very much John, and it’s fantastic that you're donating blood. ![]()
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