Thanks, this is a good point - I think a 50:50 balance of cancer versus harmless lesions would be better and will change this in a future version. Of course in

Thanks, this is a good point - I think a 50:50 balance of cancer versus harmless lesions would be better and will change this in a future version. Of course in reality the vast majority of skin lesions and moles are harmless and the challenge is identifying those that are not and I think that even a short period of focused training like this can help the average person to identify a concerning lesion.