I've read the article in the Telegraph and also the paper in the BMJ upon which it is 'based'.
I could bore you with my views, but this bloke says it better than me:
https://m.youtube.com/watch?v=GoP33N4Qw8Q
As it is such weak science, I'm surprised that the BMJ published the paper on which the Telegraph article is based, but I guess everyone has a bad day at the office.