Bad sleep and anxiety feed off each other and deplete immune systems. But there is hope

Stress has become a defining feature of 21st century but it is not always the villain it is made out to be

Scientists are looking at changes in the gut when raw, unprocessed food is eaten. And the signs are promising

Tech giant's tools enable vast virtual studies following people about their daily lives

In some parts of the world, children’s health has dramatically improved

‘If you don’t have the mental strength you’ll just want to sit down on the ground and cry’

A test that measures beta amyloid protein in the blood is more accurate than a brain scan and may indicate trouble years earlier

Apps offer useful information but often make people grumpier about their lack of shut-eye

Scientists have developed a virtual prosthetic voice that decodes the brain’s vocal intentions and translates them into mostly understandable speech

The breakthrough could one day restore speech for patients with paralysis

‘I also love finding out where my feet can take me, out there into the wild, open terrain’

Bioengineers take inspiration from the tortoise that always returns to its feet

Blocked nose, watering eyes, a sore throat – the signs of a cold are all too familiar

Philanthropist lives modestly in rented apartment after giving away $8bn fortune

Unless we change our diet, Ireland risks becoming the fattest nation in the world

TCD professor Anne Marie Healy receives money as part of €8.8m lung disease project

Eureka moment led to service that could improve clinical experience for patients

Scale-up of research at TCD and in US with help of Atlantic Philanthropies funding improves chance of better outcomes

Trinity College Dublin and University of California to share largest allocation to date

The cloud genomics market is expected to grow to $1bn by 2018

California child born to mother with AIDs is free of virus at nine months

Screening and early detection have led to calls for a reclassification of cancer due to a fear of over-treatment

Researchers say increased screening has resulted in millions receiving toxic treatments