She wants thousands of people to make "an incredible vibration" that "might just change the world".
The BBC found examples of app users logging harmful habits or punishing themselves for over-eating.
Arsenal are reportedly poised to launch an increased bid for Celtic's Kieran Tierney amid Napoli interest as Kilmarnock are linked with Juventus goalkeeper.
The figures are 10 times higher than the general population, making support vital, a study says.
One in four patients waiting longer than one hour for vital antibiotic treatment, figures suggest.
Both men bidding to become the next PM make their pitches directly to readers in Thursday's papers.
A writer who has accused Idris Elba and Kwame Kwei-Armah of using her work as their own speaks to the BBC.
More than 400 different faults have been identified at the house, which is only two years old.
Countries are struggling to contain the incurable disease, which is threatening the livelihoods of pig farmers
