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A condition, known commonly as "black urine disease" or Alkaptonuria is a rare genetic disorder involving protein metabolism, and it has its root in the mutation of the homogentisate 1,2-dioxygenase gene, which in turn causes homogentisic acid accumulation in the body. The appearance of dark urine after exposure to air is due to this kind of accumulation; however, a variety of symptoms can be expected, such as joint stiffness, changes in pigmentation, and other long-term health complications. Although the prevalence has been estimated to be between 1 in 250,000 and 1 in 1 million people in the United States, its effects are indeed high on those affected.
Alkaptonuria is an autosomal recessive disease, meaning that the child must inherit a defective copy of the HGD gene from both parents. If both parents are carriers, their offspring have a 25% chance of inheriting two faulty genes and developing alkaptonuria. The condition is genetic but is often not diagnosed for years because it progresses slowly and its early symptoms appear to be harmless.
The most characteristic and common initial symptom of alkaptonuria is dark urine. The reason for this is due to the fact that excess HGA is excreted in the urine and upon oxidation in the presence of air, it gives the urine a brown or black color. Though it is often considered cosmetic, the long-term accumulation of HGA within the connective tissues produces more complicated health problems.
Progressive joint pain and stiffness: The accumulation of HGA in cartilage leads to early-onset osteoarthritis, making movement increasingly difficult over time.
Skin and eye pigmentation changes: Affected individuals may develop bluish or grayish discoloration of the sclera (white part of the eye) and the skin, particularly in areas exposed to friction.
Cardiovascular and respiratory problems: With age, HGA accumulation can lead to valve calcifications in the heart and stiffening of connective tissues in the respiratory tract, which can cause problems in middle and old age.
Decreased mobility and spinal problems: The spine may become stiff and painful due to chronic cartilage degeneration.
These symptoms usually begin to manifest during adulthood, leading to severe complications in a person's 40s or 50s and significantly affecting the quality of their life.
Because of its rarity, alkaptonuria is often mistaken or overlooked early in life. However, there are several ways to confirm the condition:
Urine Testing: The gold standard in the diagnosis is the testing of urine samples for high levels of homogentisic acid via gas chromatography. In case of oxidation, which changes the color of urine to black, it is indicative of alkaptonuria.
Genetic Testing: Confirmatory genetic testing reveals mutations of the HGD gene to diagnose the condition conclusively.
Blood Tests: High levels of HGA in the blood can be used as further evidence.
Imaging Studies: X-rays and MRIs will expose cartilage and joint damage characteristic of alkaptonuria.
At present, there is no cure for alkaptonuria; however, various treatment approaches can reduce its symptoms and slow the disease's progress:
Nitisinone Therapy: Nitisinone is a drug that inhibits the production of HGA. It has been shown to reduce HGA levels and slow tissue damage. However, it needs to be taken under close medical supervision because of potential side effects.
Low-Protein Diet: Since HGA is a byproduct of protein metabolism, reducing protein intake—especially foods rich in tyrosine and phenylalanine—may help decrease HGA production.
Pain Management: OTC pain relievers and anti-inflammatory medications can be used to relieve joint pain and stiffness.
Physical Therapy: Exercise regularly, as it may improve mobility and strengthen muscles, thus reducing strain on affected joints.
Surgical Interventions: Most people with alkaptonuria develop severe osteoarthritis necessitating joint replacement in their old age. Also, some may require heart valve replacement surgery if cardiovascular complications develop.
Although alkaptonuria is not fatal, it severely affects the quality of life. The progressive deterioration of the joints and associated symptoms can make everyday activities difficult, requiring lifestyle changes and medical interventions. The disease may cause premature aging of the joints, requiring walking aids and mobility assistance earlier than expected.
Ongoing research will continue to work on improving the treatment options by focusing on gene therapy and alternative enzyme replacement therapies. However, because of its rarity, the clinical trials and research remain sparse.
As genetic research advances, more hope for better management and possible curative approaches for alkaptonuria exists. Scientists are searching extensively for enzyme replacement therapies and innovative drugs that can target the root cause of the disorder. Being aware and being diagnosed early helps individuals better their condition and ultimately have better long-term health outcomes.
Alkaptonuria is a striking example of how one gene mutation can have widespread effects on the body. Though still a rare and often misunderstood condition, growing awareness and advances in treatment are paving the way for better care. If you or a loved one suspect symptoms of alkaptonuria, it is essential to seek early diagnosis and medical guidance to manage the disease effectively and preserve quality of life.
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With less time and more work, chronic fatigue has become a moniker of modern society. However, this not only reduces the quality of life but also constitutes a social issue that affects work efficiency and leads to accidents. On the surface, the cause of fatigue is often attributed to not getting enough rest, but there may be another underlying issue—the lack of proper nutrition.
The world moves at a hectic pace these days. If you feel like you're constantly running on empty, you're not alone. Many people say that they just don't have the energy they need to accomplish all they need to. Sometimes the cause of fatigue is obvious — for example, getting over the flu or falling short on sleep. Sometimes a vitamin deficiency is part of the problem. It might be worth asking your doctor to check a few vitamin levels, such as the three we've listed below.
Anemia occurs when there aren't enough red blood cells to meet the body's need for oxygen, or when these cells don't carry enough of an important protein called hemoglobin. Fatigue is usually the first sign of anemia. A blood test to measure the number of red blood cells and the amount of hemoglobin can tell if you have anemia. The first step in shoring up your body's iron supply is with iron-rich foods (such as red meat, eggs, rice, and beans) or, with your doctor's okay, over-the-counter supplements.
Your body needs sufficient vitamin B12 in order to produce healthy red blood cells. So a deficiency in this vitamin can also cause anemia. The main sources of B12 are meat and dairy products, so many people get enough through diet alone. However, it becomes harder for the body to absorb B12 as you get older, and some illnesses (for example, inflammatory bowel disease) can also impair absorption. Many vegetarians and vegans become deficient in B12 because they don't eat meat or dairy. When B12 deficiency is diet-related, oral supplements and dietary changes to increase B12 intake usually do the trick. Other causes of B12 deficiency are usually treated with regular injections of vitamin B12.
A deficit of this vitamin can sap bone and muscle strength. This vitamin is unique in that your body can produce it when your skin is exposed to sunlight, but there also aren't many natural food sources of it. You can find it in some types of fish (such as tuna and salmon) and in fortified products such as milk, orange juice, and breakfast cereals. Supplements are another way to ensure you're getting enough vitamin D (note that the D3 form is easier to absorb than other forms of vitamin D).
Taking this into account, a research group led by Professor Hiroaki Kanouchi at Osaka Metropolitan University's Graduate School of Human Life and Ecology focused on nutritional status and water-soluble vitamin deficiencies found in unbalanced diets. The team hypothesized that a lack of folate (B9) and vitamin B12 may be related to fatigue, and centered their research around homocysteine (Hcy), a biomarker known to increase when these deficiencies are present.
Blood concentrations of Hcy, folate, and vitamin B12 in approximately 600 healthy Japanese participants were measured. Participants' fatigue and motivation were assessed using the Chalder Fatigue Scale questionnaire and the Visual Analog Scale. The initial results showed that individuals with higher blood Hcy levels had lower levels of vitamin B12 and folate, regardless of sex.
The researchers then examined the relationship between homocysteine levels and fatigue separately for men and women. In their analysis, factors that may influence fatigue, such as age, sleep duration, workload, and dietary habits, were simultaneously accounted for.
The results revealed that higher Hcy levels were associated with greater physical fatigue in men, while higher levels were associated with decreased motivation in women.
(Dr Alex Mathew, Senior Consultant – Internal Medicine, Max Super Speciality Hospital, Patparganj)
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Advances in hematology, oncology, and blood and marrow transplantation (BMT) have transformed patient outcomes over the past two decades. However, alongside these achievements lies a persistent and often underappreciated threat—Invasive Fungal Infections (IFIs).
Despite significant improvements in diagnostics and antifungal therapies, IFIs continue to contribute substantially to morbidity, mortality, prolonged hospitalization, and healthcare costs among immunocompromised patients. Fungal infections in patients with blood cancers and blood disorders are neither rare nor unpredictable. And yet they continue to be diagnosed too late, too often.
The treatments that have transformed the outlook for leukemia, lymphoma, myeloma, and serious bone marrow disorders are genuinely remarkable. Intensive chemotherapy, bone marrow transplantation, and the newer targeted therapies have extended and saved lives in ways that were not imaginable a generation ago. But each of them does something to the immune system that creates a serious risk.
Chemotherapy depletes neutrophils, the white blood cells specifically responsible for recognizing and destroying fungal organisms. A transplant requires conditioning that leaves patients with almost no immune defenses for an extended period. Prolonged neutropenia, mucosal barrier injury, corticosteroid exposure, graft-versus-host disease, and the increasing use of targeted therapies collectively create an environment where opportunistic fungal pathogens can thrive. Some of the most effective modern therapies in hematology work by modifying immune pathways, leaving patients vulnerable to fungal disease for months after treatment ends. This window can last weeks, sometimes much longer.
Aspergillus is a mould found in ordinary dust and soil. In most people, it causes no harm whatsoever. In a patient with severely depleted white blood cells, it can establish a lung infection that progresses faster than most people would expect and carries a mortality rate that remains unacceptably high even with treatment. The earlier it is identified, the better the outcome. But the gap between early and late diagnosis in this context is narrow and unforgiving.
Mucormycosis is less familiar to the public but arguably more aggressive. It invades blood vessel walls directly, cutting off blood supply to surrounding tissue. Patients with blood disorders who require repeated transfusions are at particular risk because excess iron in the body accelerates their growth significantly. India has the highest burden of this infection in the world. That statistic deserves more attention than it currently receives.
Candida lives in the gut of most healthy individuals without causing any problems. When the gut lining is damaged by chemotherapy, it can cross into the bloodstream and reach the liver, spleen, and other organs, causing infections that are difficult to detect and slow to resolve.
Delayed recognition frequently results in disease progression, leading to respiratory failure, disseminated infection, and poor outcomes.
None of these infections begins dramatically. The early signs are a fever that does not settle with antibiotics, a cough without an obvious cause, and breathlessness that seems proportionate to the treatment but lingers too long. In
a patient already unwell from intensive therapy, these signs often get attributed to other causes. Time passes, and the infection progresses.
Specific blood tests can indicate a fungal diagnosis before imaging shows anything definitive. They are not available everywhere in India, and that gap costs lives. Apart from the economic burden of IFIs, it can disrupt cancer treatment schedules, delaying chemotherapy or transplantation and potentially compromising long-term disease control.
Preventive antifungal therapy for high-risk patients has strong evidence behind it. Centers that have built awareness of fungal infection risk into their standard care protocols consistently see better outcomes.
For families, the most important thing is simply knowing this risk exists. Asking about it is entirely reasonable. Expecting it to be actively managed is also reasonable. In hematology and oncology, the infections that go unrecognised are the ones that do most of the damage.
Invasive fungal infections are not merely infectious complications; they are major determinants of outcomes in modern hematology and oncology practice. Recognizing the hidden burden of IFIs is the first step toward reducing their impact and improving outcomes for our most vulnerable patients.
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Men have been taught for generations that they must be strong, that they are supposed to be self-sufficient, not to feel any impact, and to be emotionally strong when they face challenges.
Resilience is a good trait, but it may also make men feel disheartened about sharing their vulnerabilities or asking for assistance when they need it. Emotional distress can often be seen as a personal failure, rather than a health issue, as many grow up hearing "man up" or "be strong.”
Meanwhile, there is still a high demand for men in society. Financial pressures, career expectations, family commitments, and social expectations can become a never-ending burden.
These factors can lead to feelings of loneliness, worry, and sadness, especially when combined with not having enough emotional release and wanting to turn to others for help.
Men are expected to be a part of the discussion, but not the central point of discussion when it comes to mental health. But the figures don't match. Almost three-fourths of the suicides in India are committed by men, which is a hidden and unaddressed issue.
One of the major issues is that there is a definition of masculinity in society. Boys are taught to be tough and independent from a young age and do not have to show feelings. The traits can both assist people in coping with difficulties and hinder them from admitting to emotional problems or seeking help when it is most necessary.
Read more: Doctors Day: From Burnout To Work Anxiety, The Mental Health Struggle Doctors Rarely Talk About
A further issue is that there are not enough safe places in which men can express feelings without risk of condemnation. Stigma can be a barrier to seeking help even when there is help available. This can not only postpone treatment but also increase symptoms of loneliness and hopelessness.
The answer is more than just asking men to "speak up". We need to actively question and combat the stereotypes entrenched in society that equate vulnerability with weakness. Both families and workplaces, schools and communities all have a part to play in promoting emotional literacy and open dialogue amongst men.
Men may not be aware of or express emotional distress in traditional ways, which can be a big problem. Rather, symptoms can be manifested as irritability, withdrawal, substance abuse, or risk-taking behaviour, which can make it difficult for family members and friends to recognise when intervention is required.
It is not enough to raise awareness to solve this crisis. It is important to establish a space of normalisation for expressing emotions, to provide support for mental health and to make it part of the identity to seek help instead of looking weak. Promoting the mental health of men is not only an individual matter, but also a public health issue that can save lives.
For a genuine commitment to the prevention of suicide, mental health status of men needs to be a public health issue. Being sensitive to their challenges, to the idea of seeking assistance, and to establishing environments that are supportive of them can make the difference between life and death.
By Dr. Hamza Hussain, Head of the Department of Psychiatry and Mental Health at Ruby Hall Clinic and Bhavya Shah, Consultant Psychologist at Saifee Hospital, Mumbai
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