But what about those who don't and are prone to the type of compulsive and obsessive behaviour gamified apps feed?

His actions had been born of 'compulsive and obsessive behaviour' and did not justify extradition, she added.

She decided to speak to the police due to his obsessive behaviour.

School exams are upon us, bringing screeching stress and bizarre, obsessive behaviour.

Second, the middle-aged athlete seems especially prey to obsessive behaviour.

But it should not be a prescription for obsessive focus on one subject.

And as a result, we have dehumanized ourselves in our obsessive focus on self-expression.

Since his election as leader, there has been an obsessive focus on his age.

And you're giving him that power, through your obsessive focus.

Yet, despite their shortcomings, these ensemble dances are effectively linked by an at times obsessive focus on what the human body can (or cannot) do, and what it represents.

His obsessive interest in mountain safety earned him world renown.

Alma, at home with her 'journals, her herbarium, her microscopes, her botanical disquisitions', develops an obsessive interest in moss.

He began cooking as a student, to feed himself, sparking what he describes as 'an instant and obsessive interest in cooking'.

Another could be his obsessive interest in mapping out the supranational territory of dreams.

His explanation for that was that he had from a young age developed an obsessive interest in things military.

His obsessive nature can be infuriating at times.

And once she starts looking, she gets that obsessive nature of prying.

Due to the obsessive nature of ballet, and the close physical contact required on stage, dancers often have relationships with each other.

I think he had an obsessive nature.

His obsessive nature accounts for his apparent inability to multitask.

Several former students are now in posts that suit their personalities, which can include an almost obsessive need for accuracy.

She had, she said, an obsessive need for love.

But he conforms to managerial stereotype in that he has an obsessive need to win as well as a fear that life outside football would be desolate.

Why this obsessive need for information?

What mattered was his obsessive pursuit of poetry.

His obsessive pursuit of wealth devours those closest to him and whatever there once was of his own soul.

Was it the obsessive pursuit of profits to pay fat dividends to shareholders?

I could tell stories of despairing parents, unhappy adolescents and stone-faced school administrators trapped in an obsessive pursuit of exam grades.

Competitiveness, relentless self-improvement, the obsessive pursuit of mastery: these are all held up as virtues inside professional sport.

They are, predominantly, hyper-competitive young men who have turned a leisure pursuit enjoyed by millions into an obsessive quest for victory.

Some of the venues are salubrious establishments aimed at high-spending tourists, others are hole-in-the-wall bars where locals gather to drink and follow the obsessive quest of being a fadoista.

There had been moments this time that he had been tempted to quit what he called his 'pretty obsessive quest'.

In it this reclusive figure recounted his obsessive quest for peregrines and his attempt to enter their world and, in a sense, lose himself in it.