Big Pharma do not diagnose the condition... doctors do.
And if you take 30 seconds to see what else the author writes
http://www.telegraph.co.uk/journalists/sarah-knapton/
You can see she's nothing but a clickbait writer..
this one I do like
Brushing teeth regularly could ward off Alzheimer's disease
Brushing teeth regularly could ward off Alzheimer's disease - Telegraph