Updated 30 September 2015

Are there different types of diabetes?

Yes, there are two types of diabetes: type 1 and type 2.


Yes, there are two types of diabetes: type 1 and type 2.

In type 1 diabetes, there is no insulin in the bloodstream and a person diagnosed with this type becomes insulin-dependent and has to inject him or herself with insulin.

In type 2 diabetes, there is insulin in the bloodstream, but it is ineffective and the glucose cannot enter the cells, causing it to accumulate in the blood.

There is also a third type, namely gestational diabetes, which sometimes affects pregnant women, especially if they have experienced significant weight gain. These symptoms often recede after the birth of the baby, but gestational diabetes is a warning that type 2 diabetes could very well develop later.

Women who have had gestational diabetes need to pay very careful attention to their diet and exercise routine in order to avoid diabetes later in life.


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Dr. May currently works as a fulltime endocrinologist and has been in private practice since 2004. He has a variety of interests, predominantly obesity and diabetes, but also sees patients with osteoporosis, thyroid disorders, men's health disorders, pituitary and adrenal disorders, polycystic ovaries, and disorders of growth. He is a leading member of several obesity and diabetes societies and runs a trial centre for new drugs.

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