Heart Risk: Poor digestion can put the heart at risk, even leading to a heart attack; understand the heart-gut connection..
- byShikha Srivastava
- 05 Mar, 2026
There's an old saying: "If digestion is good, the whole body is healthy." Both physical and mental health are directly and deeply connected to digestion. Numerous reports have previously claimed that people with poor gut health are at increased risk of mental health problems, ranging from stress to depression. The adverse effects of gut health and digestive disorders can be even more serious. Gut health problems can even lead to life-threatening conditions like heart attacks.
Health experts say that the importance of digestive health and a healthy gut should not be taken lightly. While we may not see them, many things are constantly happening within the body that directly impact our health.
A team of experts has warned that if you want to keep your heart healthy, it's not enough to just pay attention to blood pressure and cholesterol; it's also essential to make continuous efforts to maintain good gut health.
The Connection Between Gut and Heart Health
When it comes to gut health and its functions, the first things that come to mind are proper digestion, nutrient absorption, and blood sugar control. However, proper gut function is also essential for many other aspects, especially heart health. Studies have shown a strong connection between gut and heart health.
When there is an imbalance in the gut microbiome, or good bacteria, it can lead to a variety of health problems.
Your digestion becomes impaired, mood swings worsen, irritability worsens, and sleep disturbances occur.
Along with this, your heart health also begins to suffer.
If gut problems persist for a long time, they can even increase the risk of a heart attack.
How does digestion affect the heart?
Cardiologist Dr. Alok Chopra explains the relationship between gut and heart health in a simple way. Dr. Chopra says, "This may sound a bit strange, but numerous studies have shown that our digestive system may have a profound connection to our heart, something we often don't even think about."
Our gut is home to millions of bacteria, viruses, and fungi.
When these are in balance, they aid digestion, maintain nutrient absorption, regulate metabolism, boost immunity, and reduce inflammation.
However, studies show that if you have a digestive problem that causes damage to the gut lining, harmful bacteria and toxins can leak into your bloodstream and increase inflammation.
What is the role of trimethylamine N-oxide?
Dr. Chopra says that increased inflammation in the body increases the risk of plaque buildup and artery blockage, which can increase the risk of a heart attack.
Studies also suggest that trimethylamine N-oxide (TMAO), produced by gut bacteria, may be linked to heart health.
People with elevated TMAO levels may be at a significantly higher risk of heart-related problems.
Even in those with well-controlled cholesterol and blood pressure, these conditions can increase the risk of a heart attack.
In addition, poor digestion negatively impacts metabolism, leading to diseases like obesity and diabetes. These can also increase the risk for heart health.

Pay attention to gut health to maintain heart health.
Health experts say that improving gut health can help maintain overall health. To achieve this, focus on improving your diet. Include fiber and omega-3-rich foods in your diet. Drink plenty of water throughout the day, and stay physically active. All of these can contribute to maintaining good gut and heart health.
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