Do you keep hearing about the brain-skin-gut axis, but refuse to go down the biology paper-level research? Let’s break it down in a more relatable way. Our skin has been described as a mirror of internal health. Stress shows up as breakouts. Sleep deprivation dulls the complexion. Digestive issues are often blamed for inflammatory flare-ups. Yet, a growing body of research suggests the relationship between our mind, gut and skin is far more complex and much more biologically intertwined than we once understood.
Scientists are increasingly studying the gut-brain-skin axis: an operative network linking the digestive system, nervous system and skin through immune signalling, hormones and microbial activity. The implications stretch beyond beauty. What happens in the gut can influence mood, inflammation and immune responses, all of which affect the skin. Stress, anxiety and emotional strain can also alter the gut microbiome and digestive function, creating a feedback loop between mental health and physical symptoms.
At the centre of that conversation is the vagus nerve, one of the body’s main communication pathways between the gut and the brain. “The vagus nerve connects the brain to many important organs, including the heart, lungs and gut,” says professor Tim Spector, scientific cofounder of gut-health company Zoe. “It helps control many involuntary functions, such as your heart rate, digestion and breathing. It also plays a role in influencing mood, speech and anti-inflammatory responses.”
In effect, the vagus nerve acts as a neurological bridge between systems that were once studied separately. “It is a two-way information highway that helps keep the brain and body in sync,” says Spector.
Still, the vagus nerve is only part of the picture. The gut microbiome and gut microbes are also central to this exchange. “Gut microbes produce short-chain fatty acids, hormones and neurotransmitters as they ferment the fibre in your diet,” Spector explains. These compounds help maintain the gut lining, influence immune signalling and can directly stimulate vagus nerve pathways that send signals back to the brain.
Disclaimer : This story is auto aggregated by a computer programme and has not been created or edited by DOWNTHENEWS. Publisher: vogue.in
