I only read the headline and not the article, so I'm not sure if this was mentioned. Would the main cause be from melanoma caused by UV? Melanoma rates in Australia went through the roof when we had that big ozone hole above our country.
Not sure if it still reaches Australia but we've still got the ozone hole here in NZ - and apparently cancer season is starting early this year thanks to climate change and water vapour from that Tongan volcano last year!