Granted, there are probably a lot fewer people itching for a stroke of my beard than there are who want to tickle a baby's nose (is that what you do?), but there remain some who will reach for my chin without so much as an introductory grunt.Photo: Yui Mok/PA Wire My Big Fat Gypsy Wedding star Paddy Doherty rests his hand on the coffin of his father Simon Doherty during his funeral service at St Michael's Catholic Church in Ashtead, Surrey.Photo: Yui Mok/PA Wire Canon Anthony Churchill giving the service during the funeral of Simon Doherty, father of My Big Fat Gypsy Wedding star Paddy Doherty, at St Michael's Catholic Church in Ashtead, Surrey.My Big Fat Gypsy Wedding star Paddy Doherty (centre), with his brothers Qe (front) and Johnny (right) on a horse drawn hearse carrying the coffin of their father Simon Doherty along Harrow Road, en route to St Margaret's Catholic Cemetery, London, to be buried after his funeral.

Photo: Yui Mok/PA Wire A fleet of Rolls Royce cars outside St Michael's Catholic Church in Ashtead, Surrey, ahead of the funeral of Simon Doherty, the father of My Big Fat Gypsy Wedding star Paddy Doherty.

The machines are new and can cost hundreds of thousands of pounds, and have parts that need regular replacement.

A higher price should be reassuring: there are low-cost imitators which simply do not work.

Hormones regulating our blood sugar levels activate an enzyme in the blood vessels of fat tissue called lipase.

Lipase ignites fat cells to release macromolecules called triglycerides, which are what make fat cells fat.