The one thing a nutritionist would never do at Christmas

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The image most people have of Christmas is not one of moderation; it’s a dinner table trembling under the weight of gigantic turkeys, trifles and mountains of Christmas pudding.

It’s the time of year where we give ourselves licence to eat until our bodies can take no more, continue anyway, and then snooze in front of the TV until the next course – or the next day!

But overindulging, even just for a week or so, can potentially have long-term consequences, according to one top nutritionist. Research has suggested that even a short period of overeating high-fat food causes a greater risk of type 2 diabetes – a serious condition where the body can no longer produce insulin to regulate blood sugar levels.

How can overeating affect us?
According to David Clayton, a senior lecturer in nutrition and exercise physiology at Nottingham Trent University, bingeing on too much high-fat food, even over a short period, can lead to a reduction in our body’s sensitivity to insulin. This is the hormone that is crucial in regulating our blood sugar levels.

“Insulin is not as effective in controlling blood sugar levels after ‘indulging’ on a high-calorie, high-fat diet,” he says. The kinds of foods that are synonymous with Christmas festivities – such as mince pies and cheese – are particularly high in saturated fat.

Rather than sugar, it’s fatty foods that are more detrimental to our ability to regulate blood sugar levels, says Mr Clayton.

“Foods like thick cream, pork pies, crisps, sausage rolls, cheese are probably foods I’d personally avoid eating to excess,” he adds.

Why can overeating be bad?
Usually when we eat a meal we digest and absorb the nutrients, which are distributed to body tissues over the hours afterwards.

“When the ingested meal is large,” says Mr Clayton, “it’s a much bigger task for the body and it puts greater stress on the organs that regulate these processes, particularly the pancreas – the organ that releases insulin.”

“Over time, the beta-cells in the pancreas that release insulin get ‘worn out’, meaning they require a greater stimulus to function properly.” This means that more sugar or glucose is needed to produce the same amount of insulin.

While Mr Clayton says we don’t know how long the effects after a single period of overfeeding last, he does believe that they could significantly add up.

Even a week of gorging on high-fat and sugary foods – particularly if the pattern occurs regularly – can tip your body into a pre-diabetic state.

“Each time you overeat, you are presenting the body with a large metabolic challenge to overcome, which might lead to microdamage in the tissues mentioned above, which might accumulate over time.”

“Oscillating periods of hyperglycaemia, when blood glucose concentrations are very high, is thought to contribute to type 2 diabetes diagnosis.”

How can I stop myself from overeating?
Type 2 diabetes is reversible, and there are sensible ways to offset the tendency to over eat during Christmas.

The key is moderation, Mr Clayton believes. While it’s fine to eat some foods high in saturated fat, it is best to do so in small quantities.

A bike ride or a Boxing Day walk or run is also a great way to look after your body and prevent negative effects, as exercise increases our sensitivity to insulin for a short period of time, he says.

And, in reality, one day of overindulgence won’t cause lasting damage. There is no need to cancel your turkey. In fact, he says, turkey, a lean meat, is very nutritious.

Nutritionist Rhiannon Lambert agrees. She believes it’s all about moderation. “Please remember that one day of indulgence isn’t going to completely derail your goals, health or weight, it’s those other 350-odd days that really make the difference.”

“I love a Christmas dinner with all the trimmings” she says, “but I then tend to go a little lighter the next day.”

Cheese, chocolates and mince pies may not be the healthiest. But there are some other foods that we tend to eat more of this time of year that are actually good for us.

Turkey contains tryptophan, which produces serotonin and plays an important role in strengthening the immune system and can also boost our metabolism. And drinking a small glass of red wine with dinner can give us a boost in antioxidants.

Do you tend to overindulge at Christmas? What is your favourite Christmas food?

– With PA

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3 Comments

Total Comments: 3
  1. 2
    0

    Oh dear, now we are getting the Karens spoiling our traditional Christmas food. I live in Australia which is a democracy with all of the freedoms that go with a democracy and I will decide what I will eat on Christmas Day and with whom I will share that food.

  2. 2
    0

    Yes they go on like we are so dumb we sit and gorge for days – and use the word “might” a lot as well!
    The only change I will be making on Xmas Day is to sit down and eat Xmas lunch – usually I do not have lunch as I eat a late breakfast due to being in pain and not in the mood to eat.
    Then on Xmas night we will have more of what we had for lunch and then until the ham and chicken runs out we will repeat the process each night!
    No pies etc like the poms just good fresh salads and potato salad with our meats and the Pavlova I make every Xmas! Yum!

  3. 2
    0

    I am going to live for about 200 years. Simply because I follow everything that I am told about nutrition. I don’t eat anything that is bad for me this week, only the trendy good stuff. I exercise for about 8 hours a day and sleep for about 9 hours. The other 7 hours a day I am either online researching the latest findings to see what I should be eating. Or I am reading a book about it.
    Shove that where it belongs. I am going to eat all things in moderation and will probably pig out on mince pies, xmas pudding and cake which will be covered in brandy custard. I will die in my 80’s but will be one hell of a lot happier.


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