Modern diets are changing the compositions of our gut microbiota, and with that, our personalities.
For most of the twentieth century, we were at war with microbes, leading to substantial changes in our body's ecosystem. This has changed our diets, disease profile, moods and even personalities.
Here's what happened to a professor of genetic epidemiology's 'microbiome' when he lived with the Hadza.
The make-up of your gut bacteria will determine whether or not you put on weight.
Hadza man with zebra head.
We need micro-environmentalists to fight for the cause.
Estuaries are natural filtering points between freshwater and the ocean where pollutants tend to accumulate.
Unless we do something about about antibiotic pollution in the world's waterways, the next trip you take to the coast for a seafood dinner just might be your last.
Not quite yourself.
From losing inhibitions and anger to schizophrenia and dementia – science is uncovering the role small critters play in a range of illnesses and behaviours.
Three stories about researchers who have dabbled in self-experimentation – with varying results.
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The bacteria in a mother's breast milk are important because it helps develop a baby's gut. Research shows this bacteria are different depending on where mothers live and what they eat.
In us, on us and all around us.
Microbes image via www.shutterstock.com.
Long viewed simply as 'germs,' the hidden half of nature turns out to be crucial to the health of people and plants.
Micro changes have macro results.
Darryl Leja, National Human Genome Research Institute, National Institutes of Health
New research suggests our gut microbes have their own circadian rhythms that in turn influence our organ functions. Is this an explanation for how disrupting our daily patterns can cause health problems?
Grapefruit diet? Probably not worth it.
Sophie Jonasson from Sweden
The mystery of the yo-yo dieting effect has finally been solved.
Low fibre eaters gain weight more quickly and may be more susceptible to certain illnesses.
If you don’t have a problem, you don’t need to mess with it.
The modern lifestyle, particularly diet and hygiene changes, have altered our relationship with our microbes. But can we restore it?
The gut of an obese person is more likely to contain bacteria that inflame the gastrointestinal tract and damage its lining.
When we can't lose weight, we tend to want to blame something outside our control. Could it be related to the mictobiota – the bacteria and other organisms – that colonise your gut?
The mode of delivery has a big impact on an infant’s microbiota, the bacteria that live in the gut.
The particular makeup of a newborn’s gut microbes is important as it has been shown to affect their risk of developing certain diseases later in childhood and adulthood.
There are downsides to clean hands.
Food poisoning or allergies – which to go for.
Gordon has made humble gut microbes one of the most talked about health topics of the last decade.
We think of coral reefs as a diverse ecosystem, but each coral is an entire and complex microworld of organisms imperceptible to our eyes.
Just like humans, corals live with myriad microscopic organisms. We are just starting to understand this unseen world.
Two-thirds of children have already received antibiotics by the time they are one year old.
If you have a ten-month-old baby, what do you need to know? What do you need to ask your GP about the benefits and risks of antibiotics?
Nice to see you: parrotfishes prey on seaweed, which consume seaweeds that can outcompete, smother or even poison corals.
A combination of factors – pollution, disease and overfishing – is harming corals but scientists have found clues to effective treatment by studying corals' microbiome.