societal

"I think societal attitudes have changed about single mums and I think what’s needed now is for policy to catch up with those changes," she added.

"It’s a hugely complex societal problem but we need to work better together because if we really want people to have meaningful and engaged lives we need to start with education."

But considering how relatively new anti-obesity medications are, there isn't enough data to make predictions about the extent of their societal effects just yet.

"By working with, rather than against, how our brains naturally form habits, we can create strategies that make healthier choices more automatic at both individual and societal levels."

A further societal benefit will be a refined map of earthquake-prone faults.