She is TV health guru Gillian McKeith, advocating a holistic approach to nutrition and health, and promoting exercise, a vegetarian diet which is high in organic fruits and vegetables. She recommends detox diets, colonic irrigation, and supplements.
This woman is also 51.
She is Nigella Lawson... a TV cook, who eats meat, butter, and desserts..... and, she washes it all down with wine!
I REST MY CASE. :)