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Cardiologist warns artificial sweeteners stealing years from your brain: ‘62% faster cognitive decline with high intake’

Updated on: Sep 25, 2025, 08:29:54 IST
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Most people swap sugar for artificial sweeteners, believing they’re the safer choice. But new research is sounding the alarm. (Freepik)
Most people swap sugar for artificial sweeteners, believing they’re the safer choice. But new research is sounding the alarm. (Freepik)

Cardiologist Dr Bhojraj warns that artificial sweeteners, often viewed as safer alternatives to sugar, can harm brain health, accelerating cognitive decline.

Several health studies have linked the consumption of sugar with many diseases. A 2022 Harvard Health report states that consumption of added sugar leads to higher blood pressure, inflammation, weight gain, diabetes, and fatty liver disease, which are in turn linked to an increased risk for heart attack and stroke.

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Scared of these alarming effects of sugar consumption, many people swap it with artificial sweeteners. But are they any better? Did you know your sweet tooth could also be causing ageing in your brain?

Are sweeteners speeding up your brain’s ageing?

In an Instagram post shared on September 11, Dr Sanjay Bhojraj, MD, an interventional cardiologist and functional medicine doctor, highlighted the fact that sweeteners may be harming our brains and explained how they cause brain ageing. He wrote, “Small swaps today. Stronger brain tomorrow.”

Dr Bhojraj explained, “Most people swap sugar for artificial sweeteners, believing they’re the safer choice. But new research is sounding the alarm.”

He cited a neurology study conducted with 12,000+ adults and pointed out: “Could artificial sweeteners be stealing years from your brain? Researchers observed clear patterns in cognitive health. This isn't just about replacing sugar. I’ve seen this story before: choices that look harmless end up silently costing health and longevity.”

Harmless choices silently cost health and longevity

The cardiologist warned, “Artificial sweeteners can disrupt metabolism, interfere with the gut-brain connection, and add long-term stress to your cardiovascular and cognitive systems. What feels like a safer choice today may quietly accelerate decline tomorrow.”

Additionally, he highlighted several facts associated with sweeteners that prove that they are harmful to the brain. Here's what the expert said:

  • High sweetener intake was linked to a 62 percent faster cognitive decline
  • Equivalent to 1.6 years of accelerated brain ageing
  • Strongest impact on people under 60 and those with diabetes

He added, “The good news? Longevity isn’t about luck - it’s about making smarter decisions based on science, not shortcuts.”

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

This report is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

  • Krishna Pallavi Priya
    ABOUT THE AUTHOR
    Krishna Pallavi Priya

    Krishna Priya Pallavi is a journalist with over 9 years of experience, covering health, fashion, pop culture, travel, wellness, entertainment, festivals, mental health, art, decor, fitness, and sex and relationships. She is an alumna of the Indian Institute of Mass Communication (IIMC), Dhenkanal, and holds an undergraduate degree in Journalism and Mass Communication from Guru Gobind Singh Indraprastha University, Delhi. Her strong academic foundation informs her analytical and detail-oriented approach to storytelling, helping her uncover stories where none seem to exist. Before joining Hindustan Times, Pallavi worked with some of India’s leading media organisations. She spent close to three years at India Today, where she honed her newsroom skills and developed a sharp editorial sensibility. She also worked for over a year and a half at Vagabomb, ScoopWhoop’s feminist digital platform, where she explored stories through a gender-sensitive, socially aware lens. Pallavi has a deep interest in global fashion trends and international fashion seasons, and enjoys interviewing celebrities and tracking pop culture movements—interests that frequently translate into engaging, reader-friendly stories. Alongside lifestyle and entertainment, she has a keen eye for impactful health and wellness journalism, regularly interacting with doctors, designers, and digital content creators to bring nuance and credibility to her work. Born and raised in Haryana, Pallavi remains deeply connected to her ancestral roots in Odisha. Her ability to spot fresh angles brings curiosity and depth to stories she pursues. When not chasing deadlines, she enjoys spending time with her dog, planning her next vacation, reading, running new trails, and discovering new destinations.Read More

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