Laserlight tackles the greatest cause of fatality - the blind spot.
Conflicts in the Middle East and North Africa remained the greatest cause of displacement last year.
But he argued that Mr. Assad himself was the greatest cause of instability and sectarian strife.
Appearance is also the greatest cause of bullying in schools, evidence suggested.
Indeed, Wales is the only region where money is not the greatest cause of anxiety; family is a bigger cause.
Isn't the single greatest cause of poverty in Britain the fact that we're paying so many people not to work?
Around 80,000 deaths a year in England are caused by smoking – the greatest cause of preventable deaths.
The substance is harmless when left undisturbed, but can be deadly if damaged and is single greatest cause of work-related deaths in the UK.
With finance found to be the greatest cause of stress (31% according to BHSF's study), securing a financial safety net is imperative.
"The single greatest cause of wrongful convictions is lineup misidentifications caused by unreliable police lineup procedures," Peter Neufeld, co-founder of the Innocence Project, said in an interview.
Yet the greatest cause of cleavage and counter-cleavage is disillusionment with the failed peacemaking process with Palestinians and the violence that has accompanied it.
