Food and exercise tips for people with type one diabetes

Escrito por: Dr Jeannie Todd
Publicado: | Actualizado: 26/10/2023
Editado por: Bronwen Griffiths

Dr David Cavan is a leading diabetes physician with expertise in the management of type one diabetes. Here he dispels myths surrounding what foods type one diabetic patients can and cannot eat, as well as tips for exercising.

What food myths should people with type one diabetes be aware of?

There are a number of myths that circulate which can be really quite confusing for someone with type one diabetes.

  1. The first one is probably not really a myth, because it was standard advice at one point, but I think it is now a myth. This myth is the idea that you should base all your meals on carbohydrates and that you should eat carbohydrates regularly throughout the day. Carbohydrates are the foods that make your blood glucose level go up, so constantly feeding your system with carbohydrates through the day is not always a good idea.
  2. The second myth is that you can pretty much eat whatever you like. Actually, some people take that to heart and they do eat whatever they like, including meals that are high in sugar and high in carbohydrates. But what does that do? Well, what it does is it pushes their blood glucose level up to quite high levels. That then needs to be corrected by extra doses of insulin; which sometimes can then go the opposite way in causing lower levels. Hence, if you have been told that then I have to say I would consider that the myth.

However, when it comes to choosing what foods to eat, I would never say never. If there are certain foods that you want to eat once in a while, then enjoy them, but know that it will cause your blood glucose level to rise. As a rule, I would recommend keeping an eye on your diet and putting some control over it, especially over the carbohydrates that you eat.

What exercise do you recommend for people with type one diabetes?

Exercise is very important for all of us whether we have diabetes or not. For someone with type one diabetes, however, it does cause some issues that need to be taken care of. This is because of what exercise will do to affect the level of glucose in your blood. That is why it is important to be aware of that and of the effect of the particular exercise you do on your blood glucose level.

There are no specific forms of exercise that I recommend for diabetic patients as any exercise is good, but as I said, it is important to ensure that each person with type one diabetes understands how it affects their glucose level.

So what effects could they have? Exercise requires the body to use more energy because the muscles are pumping away and they need glucose in order to help them do that. Therefore, quite commonly what people will see if they exercise is that their blood glucose level will reduce. That usually means that you need to reduce the amount of insulin you are injecting in order to make sure you don't go too low. On the other hand, certain other types of exercise could cause a blood glucose level to rise and this is something a number of people find quite a surprise.

An aerobic activity such as lifting weights cause glucose levels to rise because of the adrenaline that is produced. Additionally, intensive bursts of activity such as sprints can also increase glucose levels.

Therefore, what I say to people with diabetes is: do the exercise that you really enjoy, but you need to do a little bit of work to help work out how you can best enjoy it without it adversely affecting your blood glucose levels.

 

To learn more about diet and exercise in relation to type one diabetes, make an appointment with an expert.

Por Dr Jeannie Todd
Endocrinología

La Dra. Jeannie Todd es una endocrinóloga muy experimentada y de gran prestigio, con sede en Londres en el Imperial College Healthcare NHS Trust, donde es consultora en endocrinología, diabetes y medicina interna general. También es profesora superior honoraria en el Imperial College. Tiene una vasta experiencia en todas las áreas de endocrinología y diabetes, con especial interés en los trastornos tiroideos , trastornos suprarrenales , síndrome de ovario poliquístico e infertilidad , trastornos paratiroideos y metabolismo óseo, hipotálamo, pituitaria y prolactina, así como tumores neuroendocrinos.

Además de sus clínicas, la Dra. Todd se dedica a la investigación, con numerosas publicaciones sobre temas relacionados con el campo, incluidos los tumores neuroendocrinos y la neuroendocrinología, y también participa en diversas organizaciones benéficas y organismos profesionales destacados, como la Sociedad de Endocrinología y la Sociedad de Tumores Neuroendocrinos. Practica en varias clínicas en la capital y en Cambridge, incluyendo la Clínica de Londres , el Hospital Bupa Cromwell, el Hospital Spire Cambridge Lea y el Hospital Nuffield en Cambridge .

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