Type 2 diabetes is usually considered to be caused by specific diet and lifestyle choices.
But a new study published their study in Diabetologia (the journal of the European Association for the Study of Diabetes), reveals it may all be connected to how you were born.
The good news is that there is still something you can do about it today.
A research team at Tulane University School of Public Health and Tropical Medicine in New Orleans has just discovered that low birth weight causes type 2 diabetes.
The scientists decided not to study people with low birth weight directly, but rather people with genetic variations (called single nucleotide polymorphisms) that are known to cause low birthrate.
They used 3,627 type 2 diabetes cases and 12,974 healthy people with which to compare them. All this information had already been collected by previous studies.
Based on the number of these genetic variations present in each person, they constructed a low birth weight genetic risk scale from one to 10. Those with all the genetic variations scored 10, meaning that they were the most likely to have been small babies.
When they compared their low birth weight genetic risk scale to the health of the participants later in life, they found that those with the most genetic variations (the smallest babies) were the most likely to have developed diabetes.
In fact, for every one point on their genetic risk scale, the likelihood that someone developed diabetes later in life increased by six percent.
This allowed them to conclude that low birth weight caused diabetes.
Now, whereas there is little you can do about your birth weight, there is a lot you can do about your type 2 diabetes.