There has been a lot of hype around the health benefits of prebiotics and probiotics in recent years, but while they're increasingly used in treatments including inflammatory bowel diseases such as Crohn’s disease and ulcerative colitis, several reviews suggest there needs to be further research on which strains and dosages are effective. Recent studies have found some people are even immune to probiotics.
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Western diet, typically high in animal fat and protein and low in fibre, increases the risk of cancer. The Mediterranean diet is high in fibre and low in red meat and has been likened with anti-inflammatory effects and an improved immune system.
This leads us to the conclusion that gut health, favoured by fibre, is a reason for longevity of people following the Mediterranean diet.
Gut microbiota has a major role to play in the health and function of the GI tract, with evidence that conditions such as irritable bowel syndrome (IBS) often coincide with altered microbiota. But it also plays a much wider role in our health, and this is largely determined in the first few years of life.
Antibiotics can dramatically alter our gut microbiota. Many of the genes thought to be fixed in certain bacterial environments can start spreading by overuse of antibiotics, which can put pressure on the resistant genes locked up inside a single bacterial cell, causing them to mobilise.
The brain and gut have a strong, two-way communication system Each are essential to the other – studies have found that brain development is abnormal in the absence of the gut microbiome. Gut microbes can produce most of the neurotransmitters found in the human brain, including serotonin, which plays a key role in regulating mood.
However, research hasn’t yet figured out which exact gut bacterium are crucial for brain development.
Our state of mind gets affected by our gut bacteria, which is part of our Microbiome.
Probiotics are live bacterial supplements and Prebiotics are the dietary fiber that promotes bacterial growth. In various experiments, scientists have been able to alter our stress response, anxiety levels and reduce mental health problems by administering Probiotics/Prebiotics in our stomach.
Exposure and consumption of good bacteria are essential for a balanced brain, as it reduces inflammation and makes us more resilient to depressive states and trauma.
These new findings point towards better ways of treatment for psychiatric disorders. It is essential to take care of your gut bacteria for better mental health and a sharper brain.
The microbial die-outs, a form of mutation inside our stomach due to our specific diets, gets compounded across generations.
This is leading to a sort of internal 'extinction' of microbes, which were abundant inside our ancestors, but are not present in us.