Beware people, vaping makes you blind ! Yet another study from the USA to take a shot at vaping.
To conduct their research, the "scientists" simply collected behavioural data from the Center for Disease Control and Prevention.
Their method ? In a sample of one million people, they correlated the number of vapers with the number of those who said they had visual acuity problems. The result is clear and precise : there are more vapers with vision problems than non-vapers.
Straight to the point. There is no need to ask about the background of people with these visual problems : genetics, accidents or pathologies.
Since they tell you it's the fault of vaping, why bother with scientific rigour or in-depth studies ?