One persistent
myth of diabetes is that people with type 2 diabetes can develop type 1
diabetes when they take insulin, but this is not true.
Type 1 and type 2 diabetes have
many features in common, including problems with glucose control. However, the
two conditions are distinct, and one does not transform into the other over
time.
Roughly 90–95 percent of
adults with diabetes have
type 2.
In this
article, we debunk the myth that type 2 diabetes can turn into type 1 diabetes and
look at the differences between the two types.
Can type 2 diabetes turn into type 1?
It is not possible for type 2 diabetes to turn into type 1
diabetes.
However, a
person who originally receives a diagnosis of type 2 diabetes may still get a
separate diagnosis of type 1 at a later date.
Type 2
diabetes is the most common type, so a doctor might initially suspect that an
adult with diabetes has type 2. Type 1 diabetes most often develops when a
person is younger, although it can occur in people of any age.
Misdiagnosis
It is possible
for a person with type 1 diabetes to receive an incorrect diagnosis of type 2
diabetes if the diagnosis takes place in adulthood. This situation may be more
likely to occur if the person is also overweight or has other risk factors for
type 2 diabetes, such as a sedentary lifestyle.
Although it is
uncommon, type 1 diabetes may develop in adulthood.
A person with
type 2 diabetes who later receives a diagnosis of type 1 will not have
experienced a change in their diabetes status. Instead, it is likely that they
received a misdiagnosis in the first instance.
To diagnose diabetes, a doctor will perform several blood glucose tests.
However, the results will not make it possible for them to differentiate
between the two types.
They may also
carry out blood tests to check for antibodies that attack insulin-secreting
beta cells in the pancreas. The presence of these antibodies usually means that
a person has type 1 diabetes. 90% of patients with type 1 diabetes are found to
have these antibodies. Another test that helps determine whether a person has
type 1 or type 2 diabetes is a C-peptide test.
This test
measures how much insulin the
person's pancreas is producing, and a low result can indicate type 1 diabetes.
Type 1 vs. type 2 diabetes
Although they cause similar symptoms, type 1 and type 2 diabetes
are separate conditions with different mechanisms.
In most cases,
a person will receive a diagnosis of type 1 diabetes, which is sometimes called
juvenile diabetes, during childhood or early adulthood.
Type 1
diabetes is an autoimmune disease, which means that the immune system
mistakenly attacks the healthy beta cells in the pancreas that make insulin.
This process prevents the production of insulin, a hormone that controls a
person's blood sugar levels by allowing glucose to enter the cells.
A person with
type 1 diabetes will need to take insulin shots for the rest of their life.
Lifestyle changes will not reverse type 1 diabetes, but they can help with
glucose control and may reduce the risk of health-related complications.
Doctors
usually diagnose type 2 diabetes in adults, with those who are 45 years of age
or olderhaving a higher chance of developing this condition.
However, it is
important to note that age is not a reliable diagnostic tool for the type of
diabetes that a person has. Now that obesity is
so prevalent among people of all ages, type 2 diabetes can occur as early as
childhood.
This type of
diabetes interferes with the body's ability to produce and use insulin. Unlike
type 1 diabetes, certain lifestyle factors, such as physical inactivity,
smoking, and obesity, can increase the likelihood of developing type 2
diabetes.
Some people
can control the symptoms of type 2 diabetes by making lifestyle changes. These
may include doing about 150 minutes of light-to-moderate exercise every week,
losing body weight,
and eating a healthful, balanced diet.
People with more advanced type 2 diabetes might need to take medications, such
as metformin or other medications, to support blood glucose control.
As with other
autoimmune disorders, researchers do not understand what causes type 1
diabetes, but they believe that both environmental and genetic factors might play a role in its
development.
For instance,
a person with a genetic predisposition to type 1 diabetes might not experience
symptoms until an environmental factor, such as a viral illness, interacts with
the relevant gene.
Once type 1
diabetes has developed, the immune system continues attacking the pancreas until
it destroys all of the beta cells. These beta cells are essential for producing
insulin, so people with type 1 diabetes cannot make this hormone.
Both genetic
and environmental factors also play a role in type 2 diabetes. However, type 2
diabetes has closer links to lifestyle choices and diet.
Some people
with type 2 diabetes can reduce the severity of symptoms or even eliminate them
altogether by making healthful lifestyle changes. Other people remain resistant
to insulin even after adapting their lifestyle.
Some people
with type 2 diabetes will need to inject insulin to manage their blood sugar
levels. However, it is often possible to manage this condition without insulin.
Doctors will often prescribe other medications and lifestyle changes for people
with type 2 diabetes instead.
Learn more about the differences between types 1 and 2 diabetes here.
Insulin dependency
People with type 1 diabetes may need to make lifestyle changes,
such as reducing their intake of high-carbohydrate foods. Lifestyle changes
alone, however, will not prevent or reverse type 1 diabetes.
As a result,
people with type 1 diabetes are dependent on insulin, and the condition is sometimes
called insulin-dependent diabetes.
People with
type 1 diabetes must closely monitor their blood glucose levels. Even with
frequent monitoring and regular insulin injections or the use of an insulin
pump, they might develop dangerously high blood glucose levels at times.
When blood
sugar spikes occur, they might need further insulin or emergency medical care.
People with
type 2 diabetes will need insulin if other treatments are ineffective in
helping them manage their blood glucose levels. They may also need insulin if
there are contraindications to non-insulin diabetes medications, or if the
condition, which is usually progressive, becomes chronic with significant
reduction in pancreas ability to produce insulin.
Takeaway
Type 1 and
type 2 diabetes are distinct types that do not change into one another.
However, insulin may be used to treat either type.
While insulin
is the only treatment available for type 1 diabetes, some people with type 2
also use it is in more advanced stages of the condition or if other treatments
are not successful.
The symptoms
of both types of diabetes may be subtle at first, and they may not cause
symptoms at all. However, people who do not receive treatment for either type
of diabetes might experience long-term, sometimes life-threatening
complications.
The first
symptoms of diabetes might include increased thirst, increased daytime and
night-time urination, and unexplained weight loss.
Anyone with
these symptoms should seek a medical opinion and undergo blood testing,
especially if a person has a family history of diabetes.
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