The Mad World summit hopes to encourage more firms to implement better strategies to help employees who may be struggling.
Those behind the scientific data say it will have an impact on house prices.
Volunteers from St John Ambulance perform 12 hours of life saving skills to raise money for equipment.
Cllr Hamida Ali spoke with James
Living with pain and finding joy through illness
Around 76,000 people in the capital are living with dementia
A law protecting allergy sufferers will be introduced
'Grey' is on at the Ovalhouse
A quarter of 5 year olds in London are suffering from tooth decay.
A number of parents and patients from London have formed a drug buying club, following what they've described as a stalemate between a manufacturer and the NHS.
Australia's indigenous Bush Medicine is being explored in a new exhibition
How a jar of glitter is helping Jonny Benjamin explain mental health to children
Zoe Bailie from the support organisation The Mix and Dr Alex George spoke to London Live
The final production in a trilogy of plays from the theatre company Ridiculusmus
Rejoicing At Her Wondrous Vulva The Young Woman Applauded Herself is on at the Ovalhouse