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gut microbiome

·April 20, 2026·9 min read

Gut Bacteria May Predict Parkinson’s Before Symptoms Appear

A major study identifies 176 gut microbe species that signal Parkinson’s risk years before symptoms, suggesting that gut health is a key early warning system for the disease.

This shows a stressed woman surrounded by bacteria.

Featured Neuroscience Psychology

·April 16, 2026·7 min read

Stressed Out? Diverse Gut Bacteria Might Be to Blame

High gut microbial diversity is associated with stronger, more flexible stress responses in humans, highlighting the role of bacterial metabolites like butyrate and propionate.

Featured Neurology Neuroscience

·April 11, 2026·7 min read

Parkinson’s Meds Accidentally Trigger Bacteria to “Eat” Levodopa

How does gut bacteria affect Parkinson’s medication? COMT inhibitors trigger the growth of E. faecalis, which metabolizes levodopa before it can reach the brain.

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·January 5, 2019·4 min read

Gut Microbiome Protects Against Acute Arsenic Toxicity

A new study reveals the role gut microbes play in protecting against arsenic toxicity.

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·October 25, 2018·4 min read

Solving the Complex Mysteries of the Microbiome

Computer modeling, in combination with traditional research, is allowing researchers to obtain a better understanding about how specific gut bacteria will interact. The findings may allow scientists to manipulate the microbiome and improve human health.

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·August 23, 2018·4 min read

Baby Poop May Be a Source of Beneficial Probiotics

Researchers have developed a probiotic 'cocktail' from gut bacteria found in infant feces. They say the 'cocktail' could help to increase the body's ability to produce short chain fatty acids. The probiotic could be used to help those suffering from cancers, autoimmune disorders, obesity, diabetes and other disorders which limit the ability of the body to produce SCFAs naturally.

Featured Neurology Psychology

·October 25, 2017·5 min read

Gut Bacteria May Predict PTSD Risk

People with PTSD had lower levels of three different gut bacteria than individuals who experienced trauma but didn't develop the disorder, a new study reports.

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·October 2, 2017·5 min read

Healthy Bacteria in Yogurt May Reduce Lupus Symptoms: Mouse Study

A new study from Virginia Tech reveals a healthy bacteria found in yogurt could reduce some lupus symptoms. The study expands on earlier work from the researchers, noting a lack of Lactobacillus in both mice and humans with lupus.

Featured Neurology

·August 29, 2017·5 min read

Altered Gut Microbiome Could Indicate Parkinson’s Disease

Even during early stages of the disease, gut bacteria in those with Parkinson's differs significantly from those without the disease, a new study reports.

Image shows a diagram of the gut brain axis.

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·August 23, 2017·4 min read

Linking Mental Health and the Gut Microbiome

A new study explores the potential link between the gut microbiome and mental health. Researchers report depression may be influenced by disturbances to gut bacteria, suggesting nutrition and diet, in combination with other strategies, could help treat the disorder.

Featured Neuroscience Psychology

·July 17, 2017·6 min read

Bacterial Clues in Baby’s Dirty Diapers Helps Predict Cognitive Development

A new study in Biological Psychiatry reports a toddler's cognitive development may be predicted by the types of microbes colonizing the gut when they are a year old. Researchers found infants with high levels of Bacteriodes had better scores in cognitive tests at age 2 than those with lower levels of the bacterial genus.