Features
Health benefits of hibiscus enormous — Prof. Raphael Nyarkotey Obu
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Prof. Raphael Nyarkotey Obu is a distinguished nature path, professor of naturopathy, lawyer, legal academic, Chartered Health Economist, and Chartred Management Consultant. He is a passionate advocate for traditional and alternative medicine in Africa.
The outdated perception that practitioners of traditional and alternative medicine lack formal education is now a thing of the past, and Prof. Nyarkotey has played a crucial role in reshaping this narrative.
It is rare, if not unprecedented, for a lawyer to be at the forefront of promoting natural and herbal medicine in Ghana and Africa.
However, Prof. Nyarkotey has demonstrated beyond doubt that it is possible. His journey began as a naturopath before he pursued law in The Gambia, where he was later called to the Bar. This remarkable achievement made him the first naturopath in Africa to attain such a distinction.
Recognising his unique position, traditional healers in The Gambia urged him to use his legal expertise to advance the cause of traditional and alternative medicine, a mission he actively pursues.
As the President of Nyarkotey University College of Holistic Medicine and Technology in Ghana, Prof. Nyarkotey has been instrumental in advancing naturopathy and holistic medicine education.
He played a key role in developing Ghana’s first National Occupational Standard in Naturopathy and Holistic Medicine under the Commission for TVET (CTVET). His expertise spans naturopathic research, healthcare law and policy, law and development, theology, health economics, and the integration of traditional medicine into mainstream healthcare systems.
Globally recognised for his contributions, he has significantly influenced legal frameworks for naturopathy and alternative medicine in both Ghana and The Gambia.
In recent years, hypertension, commonly known as high blood pressure, has become a major public health concern in Ghana.
Health statistics indicate that a significant percentage of the adult population suffers from hypertension, exacerbated by poor dietary habits, stress, lack of physical activity, and genetic predisposition.
Other chronic conditions, such as diabetes and cardiovascular diseases, are also prevalent. Prof. Nyarkotey has gained widespread recognition for his pioneering promotion of hibiscus as a natural remedy for managing high blood pressure, a topic that has recently gone viral.
As a distinguished columnist for the Ghanaian Times, his insights caught the attention of The Spectator, leading to an interview to discuss the health and economic benefits of hibiscus, commonly known as sobolo.
Interviewer (The Spectator): Prof. Nyarkotey, your research and articles on the health benefits of sobolo have been trending recently. Can you shed more light on its impact on hypertension?
Prof. Nyarkotey Obu: Thank you for the opportunity. Yes, my recent studies and articles have focused on the effects of hibiscus, or sobolo, on high blood pressure. Several scientific studies, including my own research, have shown that hibiscus has antihypertensive properties.
It contains bioactive compounds such as anthocyanins and flavonoids, which help lower blood pressure by relaxing blood vessels, improving circulation, and reducing oxidative stress.
Studies indicate that hibiscus tea can be as effective as some antihypertensive medications in mild to moderate hypertension cases. However, moderation is key, especially for those already on blood pressure medications.
The Spectator: How does hibiscus work to lower high blood pressure?
Prof. Nyarkotey Obu: Hibiscus primarily acts as a natural ACE (angiotensin-converting enzyme) inhibitor, preventing blood vessel constriction, and thus lowering blood pressure.
Additionally, it has diuretic properties that help eliminate excess sodium and fluids from the body, contributing to better blood pressure regulation. Its antioxidants also combat oxidative stress, a major factor in hypertension.
The Spectator: Apart from hypertension, you also mentioned that hibiscus improves urine flow in men with prostate issues. Can you elaborate how this works?
Prof. Nyarkotey Obu: Certainly. Benign prostatic hyperplasia (BPH) is a common condition in aging men that leads to difficulty in urination due to prostate enlargement. Hibiscus has diuretic properties that increase urine production and flow, alleviating symptoms such as frequent urination and urinary retention. Additionally, its anti-inflammatory properties may help reduce prostate swelling and improve urinary health.
The Spectator: That’s interesting. What is the difference between consuming hibiscus cold versus hot?
Prof. Nyarkotey Obu: The temperature at which hibiscus is consumed affects its potency. Cold hibiscus tea retains more vitamin C and delicate antioxidants, making it ideal for boosting immunity and hydration. Hot hibiscus tea, however, releases more flavonoids and polyphenols, enhancing its cardiovascular benefits. Cold hibiscus is great for antioxidant effects, while hot hibiscus is better suited for hypertension and relaxation.
The Spectator: What about hibiscus powders, capsules, tablets, and decoctions? How do they compare in effectiveness?
Prof. Nyarkotey Obu: Hibiscus is available in various forms. Powders retain most bioactive compounds and can be added to food or drinks. Capsules and tablets offer a convenient, standardised dosage, ideal for those who prefer not to drink tea. Decoctions, where hibiscus is boiled for extended periods, may extract additional medicinal compounds. Each form has its benefits, depending on individual needs.
The Spectator: Does hibiscus help regulate blood sugar levels?
Prof. Nyarkotey Obu: Yes, hibiscus helps improve insulin sensitivity and slows carbohydrate absorption, which is beneficial for individuals with diabetes. Drinking hibiscus tea after meals can moderate blood sugar spikes and enhance glucose metabolism.
The Spectator: Can individuals with low blood pressure and low blood sugar consume hibiscus?
Prof. Nyarkotey Obu: Those with low blood pressure or low blood sugar should be cautious, as hibiscus can further lower both. It is advisable to consult a naturopathic doctor before incorporating it into their diet.
The Spectator: Can hibiscus be combined with pharmaceutical antihypertensive and diabetic medications?
Prof. Nyarkotey Obu: Hibiscus may enhance the effects of these medications, leading to excessively low blood pressure or blood sugar. Individuals on these medications should consult their doctors before combining hibiscus with their treatment regimen.
The Spectator: Is hibiscus beneficial for liver and kidney health?
Prof. Nyarkotey Obu: Yes, hibiscus has hepatoprotective properties that support liver health by reducing oxidative stress and promoting detoxification. Its diuretic effects also aid kidney health by flushing out toxins and reducing the risk of kidney stones. However, those with existing kidney conditions should seek medical advice before consuming it regularly.
The Spectator: What are your plans for the hibiscus industry?
Prof. Nyarkotey Obu: I see significant potential in the hibiscus industry and plan to promote large-scale cultivation, value addition, and further research. I aim to collaborate with stakeholders to develop hibiscus-based products and create more awareness of its health benefits. Establishing a structured hibiscus industry could provide economic opportunities for farmers, entrepreneurs, and researchers.
The Spectator: You also mentioned that sobolo could replace communion wine. Can you elaborate on this?
Prof. Nyarkotey Obu: Absolutely. I recently spoke with a pastor concerned about the rising cost of imported communion wine. Many churches struggle to afford these imports. I strongly propose Sobolo as an affordable, healthier, and locally sourced alternative.
The Spectator: How does Sobolo compare to traditional communion wine?
Prof. Nyarkotey Obu: Traditional communion wine is made from fermented grape juice and often contains alcohol. Sobolo, made from hibiscus flowers, ginger, and spices, is rich in antioxidants and alcohol-free, making it suitable for all church members, including children and abstainers.
The Spectator: Thank you, Prof. Nyarkotey, for sharing such valuable insights.
Prof. Nyarkotey Obu: Thank you as well. It’s always a pleasure to educate the public on naturopathic medicine and healthy living.
- By Prof. Raphael Nyarkotey Obu
Features
International character of Ghanaman and more

The average modern Gold Coaster born and bred in Sikaman is an adventurous creature. Go to any part of the world and you’ll find Ghanaman diligently slugging it out either in the snow or in hot sweltering weather, earning a decent living.
Go to Guinea and see Ghanaman in the garb of a herbalist, curing the sick of various ailments. He makes the Guinean understand that not all diseases are caused by James Lucifer alias Jimmy Satan. On the contrary, most diseases are caused by kooko which can even attack the human nose and turn it upside down.
That kooko is also the cause of poverty and the internal bleeding of personal back-pocket economies. And that kooko can be cured using the chemistry underlying Sikaman herbal medicine which has been blessed by the gods of Larteh.
And before Ghanaman starts dispensing his herbal concoctions, he must attract the passing crowd with some Sıkaman-originated choreography, akin to a combination of adowa and agbadza, such that the dancer can easily dislocate a shoulder and start crying for his mother.
When the crowd is enough to form a quorum, Ghanaman must perform magic as a side-attraction, and proceed to sell his drugs. The drugs are genuinely made from potent herbs which the Pharmacy Board of Sikaman says it has no confidence in. Believe me, Ghanaian herbalists are practising in neighbouring countries like Guinea, Cote d’Ivoire, Sierra Leone and Benin, while we are discouraging them from practising in Sikaman.
Go to Las Palmas and see Ghanaman as a fisherman. He sails on Korean-owned boats and is forced to eat garlic and raw tuna for radiant health. The garlic is also supposed to protect him against witches. But sometimes, he is not good bedfellows with some Korean crew members, and once in a while a fight breaks out.
The typical Korean is a Kung Fu expert and before displaying a golden dragon data. He must first terrify Ghanaman with a Korean dance which consists of wild arms and leg throwing. But Ghanaman is usually not daunted. Why has he been eating cancer kenkey all years without developing cancer? It mean is a superhuman capable of countering Kun fu side-kicks to the ribs.
Anyhow Ghanaman’s most potent arsenal lies in his fists. If he is a southpaw, it mean left fist is probably insured and can cause damage. When Ghanaman lands a cassava blow and it lands on a Korean chest, it has the effect of a cruise missile. If there is no ceasefire a funeral cannot be ruled out.
Greenland
Go to Alaska and find Ghanaman there. Greenland, Iceland, Brazil, Argentina, Madagascar, everywhere and you’ll find him. He has become an international citizen and is generally lauded for his hardwork, sincerity and honesty.
However, some bad nuts are also condemned and despised.
The world and all its parts and corners are for the human race, and anyone can choose to live anywhere and earn a decent living so long as he doesn’t misconduct himself or become a social misfit and a law unto himself.
Sıkaman for instance accepts foreigners, and we are so liberal that people just come in through our borders and we welcome them with the best palmwine in town and goat light soup. Who cares about passports and visas? Our hospitality is, as it were legendary.
So we have Liberians, Nigerians, Sierra Leoneans, Togolese, Europeans, Americans, Scandinavians and Koreans in Sikaman. And some of them have misinterpreted our overzealous accommodation to mean “foolishness” and are misconducting themselves.
The newspapers carry stories of some unscrupulous Nigerians stealing, defrauding and collaborating with their Sikaman counterparts to rob people. You’ll find some good and law-abiding Liberians around but some other Liberians are in the business of fraud, robbery, money printing, money doubling, anything criminal.
Ghanaian hospitality can no longer be extended to such people. I do not think Ghanaians will be treated kindly either, when they misbehave anywhere in the world. Those who come from outside with the intention of bringing down their evil deeds and to practise them here professionally must be getting ready because Ghanaians are getting fed up with the menace.
These days, you’ll find strange people following you as soon as you emerge from a bank. If you are not careful, they’ll wrestle your briefcase from you and speed away in a waiting taxi.
Someone was just saying that many foreign criminals are flocking to Ghana because in their countries, they are enable to operate either because they are being looked for by the police for offences committed or fear instant justice at the hands of mobs. Ghanaians, it is said, are humanitarian in dealing with criminals.
Well, in some African countries, a thief who is being chased runs directly to the police station in his own interest and begs the officer at the counter to lock him up. Otherwise he’ll be lynched or be burnt to death. In Ghana, it is the opposite. The thieves run far away from the cop stations.
The criminals must reform and stay peacefully in Sikaman or quit. No court case!
This article was first published on Saturday September 5, 1998
Features
The architecture of existence: How we live and die
The human condition is defined by two absolute, biological bookends: the commencement of complex cellular animation and its ultimate, irreversible cessation.
For centuries, medicine treated life and death as strictly separate states. Today, modern pathology and molecular biology reveal a more profound truth: the mechanisms that allow us to live are the exact same mechanisms that dictate how we die.
Understanding this relationship is no longer just a philosophical pursuit. It is a clinical necessity for managing public health in the 21st century.
Part I: How we live – The mechanics of animation
At its core, biological life is a continuous, high-stakes battle against entropy (the natural tendency of systems to degrade into disorder). To maintain form, consciousness, and function, the human body relies on three fundamental pillars:
1. Cellular respiration and energy production
Every second of human life is powered by the conversion of oxygen and glucose into Adenosine Triphosphate (ATP), the universal energy currency of our cells. This process occurs within the mitochondria.
Without a constant supply of ATP, the microscopic pumps that maintain electrical gradients across our cell membranes fail, causing cellular collapse within minutes.
2. Homeostasis: The balancing act
To survive, the internal environment of the body must remain incredibly stable, regardless of external chaos. This balancing act, known as homeostasis, regulates:
Blood pH: Strictly maintained between 7.35 and 7.45.
Core Temperature: Ideally kept around 37°C (98.6°F).
Electrolyte Balance: Precise ratios of sodium, potassium, and calcium that allow nerves to fire and muscles to contract.
3. The Autonomic Nervous System (ANS)
The ANS acts as the invisible conductor of life, split into two complementary branches:
Part II: How we die – The path of cessation
Death is rarely a singular event; it is a progressive biological cascade. Whether caused by old age, chronic illness, or sudden trauma, the final pathways of mortality generally follow a predictable trajectory.
1. The cellular horizon: Senescence and Apoptosis
Every time a human cell divides, the protective caps at the ends of its chromosomes-telomeres-shorten. Eventually, telomeres become so depleted that the cell can no longer divide safely. It enters senescence (a state of permanent arrest) or triggers apoptosis (programmed cell death). This gradual, systemic loss of cellular renewal is the underlying engine of aging.
2. The clinical cascade of somatic death
When the body can no longer maintain homeostasis, somatic death (the death of the organism as a whole) begins. This occurs in a distinct sequence:
1
Clinical Death
Zero to four minutes
The heart stops pumping blood, and respiration ceases. While breathing and circulation have ended, the body’s tissues still contain residual oxygen and cellular energy reserves. At this stage, resuscitation is often still possible.
2
Brain Death (Infarction)
Four to six minutes
Deprived of fresh oxygenated blood, the brain’s highly sensitive neurons begin to starve. Lacking ATP, the brain cells lose their electrical charge, swell, and begin to burst. Permanent, irreversible neurological damage occurs within minutes.
3
Biological Death
Hours to days
The organs fail entirely. Without central control or blood flow, individual cells throughout the body consume their final energy reserves. Enzymes that once aided digestion begin to break down the body’s own tissues from the inside out, a process known as autolysis.
Part III: The modern collision of life and death
In the modern era, the boundary between how we live and how we die has blurred. Historically, humanity died primarily from infectious diseases and acute trauma. Today, global mortality is dominated by non-communicable, chronic lifestyle diseases.
Modern Pathology: How we live (the cause) how we die (the result)
Cardiovascular disease, chronic stress, poor diet, and lack of sleep keep the sympathetic nervous system hyper-activated, damaging blood vessels .Occlusion of coronary arteries leads to myocardial infarction (heart attack) or ischemic stroke.
Metabolic syndrome over nutrition and physical inactivity overwhelm cellular mitochondria, leading to systemic insulin resistance. Multi-organ failure, chronic kidney disease, and severe vascular complications.
Neurodegenerative Disorders Chronic systemic inflammation and sleep deprivation prevent the brain from clearing metabolic waste. Gradual loss of synaptic connections, leading to dementia and the eventual loss of basic autonomic functions.
Conclusion: The unified theory of health
Ultimately, how we live directly shapes the path of how we die. The micro-choices of daily existence-how we manage emotional stress, the quality of our rest, our communal connections, and our nutrition-either preserve the integrity of our homeostatic systems or accelerate their decline.
True medical advancement is shifting away from merely extending the final, frail stages of biological death. Instead, the focus is turning toward optimising our living years-ensuring that the intricate, beautiful machinery of human animation runs smoothly until its natural, quiet conclusion.
By Robert Ekow Grimmond-Thompson




