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Understanding the power of blood

From hospitals to hymn books, it's significant for a reason.

Helen is a registered nurse and freelance writer, writing for audiences ranging from the general public to practitioners and scientists.

A bag of blood connected to a drip.
Give blood.
Aman Chaturvedi on Unsplash.

With one billion molecules of oxygen packed into each of your 30 trillion red blood cells, blood is sometimes known as the red river of life. Countless lives have been saved through blood transfusion, but why, throughout history, across continents and cultures, has there been a special interest in the blood of one man crucified 2,000 years ago, believing it alone to have “wonder-working power”?  

Whether you are a newborn baby with half a pint of blood, or an adult with nearer nine pints, “what is certain is that you are suffused with the stuff”, writes author Bill Bryson in his book, The Body.  

Once thought to ebb and flow in waves like the sea, from the liver to other organs, having been heated in the heart, blood in fact flows in a network of vessels measuring some 60,000 miles, with the heart acting as pump, not heater. Cleverly conserved through a complex system of blood-clotting in the case of injury, blood is a precious resource that needs replacing if lost in large amounts. Victims of road traffic accidents can require up to fifty units of blood; significant amounts are needed for organ transplantation, severe burns or heart surgery. 

The first human blood transfusion in Britain, using blood from a lamb, was performed by Dr Richard Lower in 1667, given not to replace blood loss but to change character: could the old be made young, the shy be made sociable through blood transfusion? Apparently not.  

Safe transfusion awaited the discovery of blood types by Dr Karl Landsteiner in the early 20th century. Today, NHS Blood and Transplant deliver 1.4 million units of red cells to 260 hospitals each year for transfusion; about 85 million units are transfused worldwide, given to replace blood loss after accident, surgery, ulcer, ectopic pregnancy or for anaemia in cancer. Also used to boost blood cell numbers in malaria, sepsis, HIV, leukaemia and sickle cell anaemia, blood transfusion is now amazingly safe. Fatal reactions are extremely rare, “occurring only in one out of nearly two million transfusions”, writes physician Dr Seth Lotterman. “For comparison, the lifetime odds of dying from a lightning strike are about 1 in 161,000,” he adds. The risk of HIV infection has dropped dramatically, to less than one in seven million. 

History tells though of the danger of transmitting disease from the blood donor during transfusion. The World Health Organization recognises risk of infection with HIV, hepatitis, syphilis, malaria, and Chagas disease. The Contaminated Blood Scandal saw an estimated 30,000 people in the UK given blood transfusions and blood products infected with hepatitis C, hepatitis B and HIV. More than 3,000 people died as a result, and thousands more live with on-going health complications. For my final Christmas article for Readers Digest, I wrote on Stephen Christmas, a tireless campaigner for blood safety who lived with haemophilia and died in 1993, having contracted HIV through contaminated blood. 

I was a blood donor. However, I am now unable to donate blood or organs for the rest of my life since there is a possibility that my blood is ‘stained’, possibly with prion disease, after adopting embryos. The Blood Transfusion Service will not accept donations from women who have had various fertility treatments. 

And there’s another uncomfortable truth about blood donation – the NHS does not have enough blood, organs, tissues, platelets, plasma or stem cells to treat everyone who needs it. As a nurse, I remember caring for a man dying of liver cancer. Suffering from sudden, massive melaena (blood loss in black, tarry stools as a result of internal bleeding), he received emergency blood transfusion, with bag after bag of blood being infused, until the consultant called for the treatment to stop, because the bleed was too big – and blood supplies too scarce.  

Struggling to accept the stark reality of stained blood and dangerous shortages, I kept coming back to an old Sunday School song about blood, where absolute abundance and ultimate cleansing are instead promised. 

There is a fountain filled with blood 
   Drawn from Immanuel’s veins; 
And sinners, plunged beneath that flood, 
   Lose all their guilty stains. 

Gruesome and graphic in its imagery, but full of deeper meaning. And as a nurse, I’m accustomed to blood, sometimes lots of it. I’ve seen that man bleed out on the ward that night; I’ve attended a road accident, where a boy lost his leg – but not his life, because towels stemmed the massive flow of blood. I’ve raced a patient to the operating theatre after her aortic aneurysm burst within; I’ve stemmed arterial bleeding from the groin by applying prolonged pressure to the site punctured by a catheter during cardiac stenting. According to the World Health Organization, severe bleeding after childbirth is the leading cause of maternal mortality world-wide. Each year, about 14 million women experience postpartum haemorrhage resulting in about 70,000 maternal deaths globally.  

In the Bible, and in hymns of praise like this one, there is also no getting away from blood. “Like it or not, the Bible is a bloody book,” writes  Kyle Winkler. It runs through the book like a crimson thread. There’s a story of a woman bleeding for twelve years, until she touched the hem of Jesus’ garment and was healed.    

Elsewhere the Bible keeps returning to the idea of blood, shed in sacrifice, used to cleanse, save, and heal in a spiritual sense. In the Old Testament, animal blood was painted on doorposts at Passover as a sign of protection from judgment, and sprinkled ritually on the altar as a sacrifice for human sin, restoring relationship with God.  

On Good Friday, Jesus himself shed (and sweat) his blood, sacrificing his life on the cross to “wash our souls” once and for all. Millions of Christians across the world take a sip of communion wine each Sunday in commemoration of this act. It’s a beautiful gift, coming with a promise that the shed blood will “preserve thy body and soul unto everlasting life”, through the forgiveness of sins. It’s no wonder then that churches love to sing about this blood. “Would you be free from the burden of sin? There's pow'r in the blood, pow'r in the blood,” goes one hymn, while another simply says, “Your blood has washed away my sin, Jesus, thank you”.  

“God’s intention for blood isn’t gory—it’s beautiful! And I’m certainly not offended or scared by it,” writes Kyle. “Rather than question how little blood I can get by with, I’d rather stand under the cross to be covered in all that I can get!” Thank God for the fountain of forgiveness that flows from Good Friday. 

  

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Dear Kemi, about that lost faith

Who stands with us when we suffer?

Graham is the Director of the Centre for Cultural Witness and a former Bishop of Kensington.

Kemi Badenoch sits and talks.
Kemi Badenoch.
ARC.

Dear Kemi (if I may)

Lost faith is usually a sad tale. And you have told us how you lost yours. I hear your grandfather was a Methodist minister, and so as a young girl, you would pray, seeing answers from time to time for longer hair, good grades and the like. But when you heard the story of Elizabeth Fritzl, whose father Josef kept her captive underground for 24 years, repeatedly raping her, you began to ask why God did not answer Elizabeth’s prayers for release. And so you gave up on God.

Now I have real sympathy for you. I have struggled with this too. The Josef Fritzl story and the suffering he inflicted on his daughter is truly horrific. None of us find the problem of evil easy. In fact, I have never yet met a Christian who thinks they have solved it. Yet the remarkable fact is that many of us believe in God anyway. And it’s not because we haven’t thought deeply about it. Many people start with a simple faith in a God who answers prayers, and yet one day, they come across what seems like an anomaly – that some prayers don’t seem to find an answer.

Of course, you’re not the first to have stumbled upon the problem of unanswered prayer. For centuries, Christians have pondered deeply the strange persistence of evil in the world, from St Irenaeus to St Augustine, to Thomas Aquinas, to any number of modern theologians.

They all knew that not all prayers get answered – yet even more, they knew that this is not a marginal thing for Christians, it actually lies at the very heart of our faith.

On the top of every spire, on every altar of a church, around many Christian necks, is a cross. It recalls the excruciating death of an executed innocent man. It is the universally recognised symbol of Christianity, as recognisable as the Islamic crescent or the Jewish Star of David.

Christianity centres on this remarkable claim: that God allowed his Son Jesus to die a cruel and tortured death, and did not respond to his agonised prayer: “My God, my God why have you forsaken me?” All he got was silence. Nothing.

So unanswered prayer is not something that lurks at the margins of Christian faith as a guilty secret. It lies at the very heart of it.

And yet I still believe. Why?

Why does God not intervene to stop the suffering of the world? Why did not God not stop the holocaust? Why does he not stop the suffering of the people of Gaza? Or the Israeli hostages? Or people who suffer from debilitating depression? Or long-term mental illness?

The answer is I don’t know. And why should I? For all I know, God might stop all kinds of things from happening – by definition I don’t know about thing that don’t come to pass. Yet I have to assume that God does not intervene to stop the vast majority of the suffering we inflict on each other. The best I can say is that he seems to allow us to have our own way, giving us the courtesy of accountability for our own actions. As a conservative politician, keen to stress personal responsibility, you should know that more than anyone.  

Josef Fritzl was the cause of his daughter’s suffering, not God. Fritzl was himself the child of an alcoholic father who abandoned him when he was four-year-old and a manipulative and abusive mother who brought him up thereafter. Not that this excuses his crimes for a moment, but he was part of a chain of sin and suffering handed on from one generation to another that stretched back through his parents, their parents, back to the very beginning of human history and beyond. Evil and suffering are part of our world. Christianity knows about evil all too well.

All this might hint at an answer, yet it still doesn’t satisfy. It still doesn’t reduce the suffering. Trying to explain it doesn’t make it any easier to endure it. In fact, if what we Christians say about evil is true, we cannot explain it because evil literally makes no sense. It is the absence of sense, the absence of meaning. It has no point, because it is literally pointless.

The real reason we Christians continue to believe is not that we have a neat answer to it, nor because we haven’t thought about it, but because we know that, paradoxical as it may sound, God himself, in the person of Jesus Christ, knows what it is to pray for something and not get an answer. He has been there too. Somehow, mysteriously, he stands with Elizabeth Fritzl, with Israeli hostages, with Palestinians hungry for peace and food, and with us when we cry out and apparently get no answer. In those moments, we are not, in the end, alone.

And yet, there is more. Despite that fact that we cannot explain the tangled, dark mysteries of evil in the human heart, we have been captivated by a story that tells us it has been overcome. Yes, Jesus died. Yes, he felt abandoned by God his Father. Yet the way the story turned out, the evil done to him was not the last word. God overturned the worst that the human race could do, when the most remarkable thing happened - his cold, abused, bloodied and battered body stirred once more into life. Yet this was not a return to this weary life all over again, back into the maelstrom of suffering and pain that we know it to be, but through the other side into a form of life beyond the grave that cannot be destroyed. Jesus was not ultimately abandoned, even if he, like us, like Elizabeth Fritzl, felt like it at the time.

This is what we get – not a neat answer – for that we will have to wait – but the gift of hope that it will not always be like this, that the Resurrection of Jesus is a foretaste of the Resurrection of all things one day.

And what about what you called your ‘stupid’ little prayers about hair and boyfriends? Why did they get answered and others didn’t? Again, I have no idea. It does seem that from time to time, God does something weird, brings some unexpected healing, things turning out miraculously better than expected, an unforeseen delight. Yet these are just hints, small signs of the great miracle, the Resurrection and the defeat of death. They are hints that even though God will not unravel the moral fabric of the world by intervening every time we do something wrong, occasionally we are given a small sign that he has not given up on the world and will one day flood it with his presence. They are signs to remind you, me, that all the good things we receive each day - food, sunshine, rain, air to breathe – are not accidents but come from a God who gave them to us out of love, and that evil is the anomaly, not goodness. We are left with a question – would we rather a world where that kind of surprising & delightful event never happened? Or one where it occasionally did?

The Resurrection is the ultimate reason we believe. Not because we can explain evil. But because it tells us we are not alone in our suffering. Because it tells us that evil is real, but in the end, will be banished to the pit from which it came. And because the alternative, when we think about that deeply enough – a world where monsters like Josef Fritzl get the last word – where hope is whistling in the dark and evil wins - is intolerable.

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If you enjoy Seen & Unseen, would you consider making a gift towards our work?
 
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