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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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Autism in women is not often entirely recognized because this disorder does not always have to correspond to the “classic” picture characteristic of males.
The diagnosis is based on a male criterion with such behavior as obvious withdrawal from a group, overtly displayed repetitive behaviour, and limited interests. There can be mild social deficit or internalized anger and frustration that can pass unnoticed in clinical practice.
One of the most significant reasons behind underdiagnosis is masking (also called camouflaging). Masking is one of the most significant reasons for underdiagnosis. This is helpful in masking but also covers or conceals essential symptoms.
Masking causes mental exhaustion, anxiety, and burnout, but it does not address the underlying autism and leaves it undiagnosed.
There is a strong societal stereotype that autism is a “male condition”. This bias is felt by parents, teachers, as well as health care professionals.
Sex bias is evident in that boys get referred for evaluation early. Girls are often tagged “shy,” “sensitive,” and “introverted.”
Their struggles are normalized instead of being explored for any issues. Gender bias is a significant contributor to delayed or wrong diagnosis.
A restricted interest is another hallmark of autism, but in women, it tends to be more socially acceptable. Their interests conform to the norms of society; they do not predispose clinical suspicion as opposed to more masculine interests like mechanical systems or numbers.
Autism in women being misdiagnosed as other psychiatric disorders is due to symptom comorbidity. Some of the common misdiagnoses are:
In many cases, these are secondary to autism as a result of years of living with undiagnosed autism.
From an early age, girls are often conditioned to be socially attentive, empathetic, and compliant. This societal conditioning pushes autistic girls to adapt and hide their difficulties.
These may include forcing themselves into socializing. Fitting in is deemed more important than comfort. They end up creating coping mechanisms that mask their difficulties.
While this may benefit outward functioning, it postpones the recognition of underlying neurodevelopmental differences.
Delayed diagnosis or missed diagnosis has the following effects:
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The World Health Organization estimates that 10 percent (190 million) of reproductive-age women worldwide suffer from endometriosis.
The chronic and complex menstrual disease that affects many women is characterized by severe pain during menstruation, heavy menstrual bleeding, chronic pelvic pain (pain that does not go away when the menstrual cycle ends), infertility, and abdominal bloating and nausea.
The incurable condition poses a significant challenge to women as it affects their personal and professional lives, relationships, and fertility, among others, due to persistent pain and fatigue.
The diagnosis also gets delayed, as endometriosis is often confused with PCOS, or Polycystic Ovary Syndrome, due to some overlapping symptoms like irregular menstrual periods. The symptoms may continue to persist or recur after treatment is initiated.
In a powerful statement resonating with millions worldwide, Indian American author and television host Padma Lakshmi has shared her experience with the condition.
Opening about her personal battle with endometriosis, the 55-year-old, Co-founder of Endometriosis Foundation of America, said that the condition made her understand how strong she is and called for greater awareness and self-advocacy among women.
"Endometriosis has taught me that I should always listen to my body. Pain is your body's way of telling you something is wrong,” said Lakshmi, in a media post on social media platform Instagram.
"Through my struggles with endometriosis, I've learned that, actually, I have a very high threshold for pain, that I may be stronger than I know, but that I shouldn't always need to be,” PopSugar quoted her as saying.
Lakshmi noted that it is now her life's mission "to advocate for my own health, and also to advocate for all women with endometriosis."
Endometriosis happens when tissue similar to the lining of the uterus grows outside the uterus. These tissues commonly develop on the ovaries, fallopian tubes, or the pelvic lining.
Endometriosis affects many women and can impact their daily lives, including their ability to work comfortably. Many women continue their professional responsibilities despite experiencing severe discomfort, fatigue, and pain.
Raising awareness about the condition and encouraging supportive workplaces can help women manage both their health and career more effectively.
Since it is a progressive disorder, timely intervention remains key to managing it. In many cases, women live with symptoms for several years before receiving the correct diagnosis, which can delay treatment and affect their quality of life.
Treatment is particularly based on the severity of symptoms. Women will be advised lifestyle modifications such as regular exercise, stress management, and an anti-inflammatory diet. Non-steroidal anti-inflammatory drugs may help reduce discomfort.
Hormonal therapies may also be used to control symptoms. Some women will be advised to undergo laparoscopy to remove endometriotic cysts.
Minimally invasive surgery can help remove lesions and restore pelvic anatomy, which may also improve fertility in some cases. In advanced cases, surgery can be recommended to women.
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In a shocking incident, a woman contracted the herpes virus after using shared lipstick samples at a cosmetic store, raising concerns about makeup hygiene.
The incident highlights the risks involved in trying products that come into direct contact with the skin and are shared with a lot of people.
Also Read: World Autism Awareness Day 2026: Can Cell Therapy Be The Future Of Autism Treatment?
What Is Herpes?
The herpes simplex virus (HSV) is very common, and the infection is lifelong. But the symptoms can come and go over different periods of life. Many people never get any symptoms linked to their infection.
The common virus, carried by up to 50 to 80 percent of adults, can cause painful blisters or ulcers. It primarily spreads by skin-to-skin contact. It is treatable but not curable.
There are two types of herpes simplex virus: HSV-1 and HSV-2.
HSV- 1 is the most common and usually spreads by oral contact. It causes infections in or around the mouth (such as oral herpes or cold sores), as well as genital herpes.
Common oral herpes symptoms include
HSV-2 generally spreads by sexual contact and causes genital herpes.
Its symptoms include painful

How Makeup Testers Can Spread Infection
Experts warned that makeup testers can become a breeding ground for germs. The repeated use of the open samples can spur their growth and can then spread by “double-dipping” — reusing an applicator after touching the skin. This can transfer viruses and bacteria between users.
“You can absolutely get a herpes infection from a makeup tester," Dr. Whitney Bowe, a dermatologist in New York City, told TODAY. "The more ‘double dipping’ that occurs, the higher the chance of spreading viruses or bacteria at a makeup counter.”
A 2010 study by researchers from Rowan University in New Jersey found that cosmetic samples harbored strep, E.coli, and staph.
For two years, the team examined makeup testers at makeup counters, specialty stores, and drug stores. They found that Saturday is the busiest day of the week, and 100 percent of the samples carried some sort of germ.
How To Stay Safe?
To reduce the risk of infection, experts recommend:
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