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Nikhil Prasad  Fact checked by:Thailand Medical News Team Oct 25, 2024  1 week, 6 days, 7 hours, 11 minutes ago

The Role of Vitamin B3 in Preventing Glaucoma

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The Role of Vitamin B3 in Preventing Glaucoma
Nikhil Prasad  Fact checked by:Thailand Medical News Team Oct 25, 2024  1 week, 6 days, 7 hours, 11 minutes ago
Glaucoma News: A new study by a team of researchers from Romania and the UK has found a significant link between daily intake of niacin, also known as Vitamin B3, and a lower risk of developing glaucoma, a leading cause of irreversible vision loss. The study was conducted by scientists from institutions such as the University of Medicine and Pharmacy of Craiova, Carol Davila University of Medicine and Pharmacy in Bucharest-Romania, and Barnsley Hospital NHS Foundation Trust in UK.


The Role of Vitamin B3 in Preventing Glaucoma
 
What is Glaucoma?
Glaucoma is a condition that damages the optic nerve, leading to vision problems and, in severe cases, blindness. The most common form of the disease, open-angle glaucoma, progresses gradually and often without symptoms until the damage is already done. High intraocular pressure (IOP) has been widely recognized as the primary risk factor, but new studies are suggesting that other factors, including mitochondrial dysfunction, may also play a crucial role.
 
This Glaucoma News report sheds light on the findings of the researchers, who believe that niacin, which plays a key role in mitochondrial health, could potentially help prevent or slow down the progression of glaucoma.
 
Niacin: A Vital Nutrient for Mitochondrial Function
Niacin is a form of Vitamin B3 that helps the body produce energy and plays a crucial role in cellular repair processes. It also acts as a coenzyme in the production of ATP, which is the primary energy source for cells. In addition, niacin helps in DNA repair and reduces oxidative stress, which is harmful to cells, including those in the eye.
 
The researchers in this study aimed to determine whether daily niacin intake could help protect against glaucoma by supporting mitochondrial function in the cells of the optic nerve. The team conducted a systematic review and meta-analysis of previous studies that explored the relationship between niacin intake and glaucoma.
 
The Study: What the Researchers Found
The research team examined five case - control studies involving thousands of participants from different populations, including South Korea and the United States. They compared niacin intake between individuals diagnosed with glaucoma and those without the condition. Their findings were quite striking: individuals with higher niacin intake had significantly lower odds of developing glaucoma.
 
One of the key findings from the study was that people who consumed higher levels of niacin were less likely to have glaucoma based on retinal imaging and self-reported diagnoses. For example, one study showed that participants with a daily niacin intake above 28 mg had a 50% lower risk of developing glaucoma compared to those with a lower intake of around 15 mg per day. These findings are especially significant considering the complex role of mitochondrial dysfunction in glaucoma progression.
 
Why is Niacin Important for Eye Health?
Niacin's role in eye health is linked to its ability to support the mitochondria in retinal ganglion cells. These cells are critical for transmitting visual information from the eye to the brain. When the mitochondria in these cells malfunction, it can lead to the gradual death of retinal ganglion cells, contributing to vision loss in glaucoma patients.
 
The researchers pointed out that niacin helps protect these cells by stabilizing mitochondrial function, reducing oxidative stress, and enhancing the energy production needed for healthy eye function. This protective effect could be why higher niacin intake is associated with a lower risk of glaucoma.
 
Mitochondrial Dysfunction: A Key Factor in Glaucoma
Mitochondrial dysfunction is increasingly recognized as a critical factor in neurodegenerative diseases, including glaucoma. The retina is one of the most energy-demanding tissues in the body, and when its cells don't get enough energy, they become vulnerable to damage and death.
 
In glaucoma, the pressure inside the eye (intraocular pressure) can damage the optic nerve. But the researchers suggest that this damage might be exacerbated by mitochondrial dysfunction. By supporting the mitochondria through niacin supplementation, it may be possible to prevent or delay the progression of glaucoma.
 
Concluding Remarks: Could Niacin be the Next Big Thing in Glaucoma Prevention?
While the findings of this study are promising, the researchers caution that more large-scale, randomized controlled trials are needed to confirm the benefits of niacin for glaucoma patients. The current evidence suggests that niacin could play a valuable role in protecting the eyes, especially for people at higher risk of glaucoma.
 
The research team calls for further investigation into the optimal daily intake of niacin for eye health. It’s also important to consider the potential confounding factors, such as diet, lifestyle, and genetic predispositions, that could affect glaucoma risk. However, the results of this study add to the growing body of evidence that niacin, a simple and widely available vitamin, may offer protective benefits for people at risk of neurodegenerative conditions like glaucoma.
 
The study findings were published in the peer-reviewed journal: Nutrients.
https://www.mdpi.com/2072-6643/16/21/3604
 
For the latest Glaucoma News, keep on logging to Thailand Medical News.
 
Read Also:
https://www.thailandmedical.news/news/warning:-taking-excessive-vitamin-b3-(niacin)-can-lead-to-eye-damage-and-blindness
 
https://www.thailandmedical.news/news/breaking-covid-19-news-chinese-study-discovers-that-sars-cov-2-increases-the-risk-for-developing-acute-angle-closure-glaucoma
 
https://www.thailandmedical.news/news/breaking-covid-19-news-study-claims-that-omicron-infections-can-lead-to-acute-primary-angle-closure-and-also-primary-angle-closure-glaucoma

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