Last week we
took our visiting relative, a vegetarian, to the local vegetarian restaurant,
where she was delighted at being able to choose anything from the menu. Still, I thought, it's a bit restrictive,
despite the chef's imaginative ways with celeriac. My own - brief - adherence
to vegetarianism, back in 1972, has left me with one, overarching memory - cheese
sandwiches. I recall bread refined to the point of nutritional neutrality and cheese
processed into bland, rubbery, indigestible irrelevance. Such was the staple fare of the itinerant
vegetarian of the day and it was responsible, in part, for my abandonment of
the diet. And none too soon, as it transpires.
Latest scientific
research into human gut microbiota -
the microbes that live in our gut and which are essential to our well-being - should,
it seems, be taken into account when choosing from the menu. Microbes come in many
different types, all of them interdependent, but each with specific dietary
needs. If we restrict our diet, we restrict theirs too and deprive some of them
of the energy they need to do their work, maintaining the balance of our
systems. A diverse diet, therefore, is more beneficial to us than one which is
restricted.
One of the
great anomalies of modern-day wealthy societies is that we have plenty of food,
yet much of it does no good. The ubiquity of foods such as pizza or burgers,
for example, actually disadvantages the human digestive microbiota by limiting variety.
Not only do we eat too much of them relative to other foods, but also they
contain a high proportion of ingredients which have been processed specifically to eliminate diversity. It
is this narrowing of our diets, combined with overindulgence in junk food, that
may best explain the dramatic increase of obesity, allergenic reactions and auto-immune
diseases.
If this is
true then there are some other issues to re-think. You can't get fit through
exercise alone. Last weekend the city centre was turned into an athletics
ground, with pole-vaulting in Albert Square, sprinting down a temporary track
laid along Deansgate and long-distance running up and down surrounding roads.
The stated purpose of holding such events in the city centre is to give sport a
high profile and emphasise its importance in countering the effects of
sedentary lives spent eating and drinking too much. The unstated purpose is to entice
customers to the surrounding businesses: the irony is that those businesses are
predominantly bars, cafes and restaurants.
Not to
worry, though: Fitbit comes to the rescue. Fitbit is one of those companies
that make wearable fitness-monitoring devices - bracelets that look like
"beam me up Scotty" watches. The sales pitch for these - once they
have persuaded you it's cool to wear one - is that they will help to keep you
fit and healthy. This is accomplished by automatic monitoring of heart-rate,
paces walked, blood pressure etc. The idea is that you can then up your game
(or slow it down) to meet your desired targets. Since, however, I already have
a biological system which tells me when I am feeling either lethargic or
hyperactive, I won't be buying one. Which is not to say that others won't find
them useful: apparently they are capable of sending your data to subscribing
retailers who will then offer to sell you all the stuff you need to keep you fit - things
like running shoes, lycra shorts and energy drinks packed with sugar.
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