Nutrition Articles

Types of Diabetes

The Similarities & Differences of the 3 Types of Diabetes


Who’s at risk?
The risk factors for developing type 2 diabetes include advanced age, obesity (80% of people with type 2 diabetes are overweight), a family history of diabetes, a history of gestational diabetes (see below), physical inactivity, and race/ethnicity.  African Americans, Hispanic/Latino Americans, American Indians, Native Hawaiians and Pacific Islander Americans are at particularly high risk for type 2 diabetes.

Can it be prevented?
There are many ways to prevent this form of diabetes. Eating a healthy diet and getting sensible amounts of physical activity to achieve and maintain a healthy weight can help prevent or delay the development of type 2 diabetes.

What are the symptoms?
The symptoms of type 2 diabetes appear gradually, but some people who have type 2 diabetes won’t have any symptoms at all. Many symptoms are similar to those of type 1 diabetes, such as increased thirst, increased urination, weight loss, blurred vision and fatigue. Other signs include frequent infections and slow-healing wounds.

How is it treated?
People with type 2 diabetes can control their blood glucose levels by following a healthy diet and exercise program, losing excess weight and using medication prescribed by their doctors.

Gestational Diabetes
Some women develop this form of diabetes during the third trimester of pregnancy, in which the body still manufactures insulin, but pregnancy hormones prevent insulin from working properly. Treatment is necessary to prevent the abnormally high blood sugar levels from injuring the fetus.

Who’s at risk?
Gestational diabetes is more common among certain racial/ethnic groups (African Americans, Hispanic/Latino Americans, and American Indians). It also occurs more frequently among women who are over 25 years old, are obese, have a family history of diabetes, or have previously delivered a baby that weighed over 9 pounds. Although the gestational diabetes usually resolves itself after delivery, 5% to10% of women with gestational diabetes are diagnosed with type 2 diabetes after delivery, and 20% to 50% will develop type 2 diabetes within 10 years.

Can it be prevented?
The risk for developing gestational diabetes can be lowered by losing excess weight and staying physically active prior to conception, and then continuing to make healthy food choices and staying physically active during pregnancy. Women who have been diagnosed with gestational diabetes can lower their risk for developing type 2 diabetes by continuing these healthy habits after delivery, breastfeeding their children, and visiting their doctors regularly for checkups.

What are the symptoms?
Usually, gestational diabetes doesn’t have any symptoms. But when symptoms occur, they are very similar to those of both type 1 and type 2 diabetes: increased thirst and urination, persistent hunger, weight loss despite increases in appetite, blurred vision, and severe fatigue. Other signs include nausea, vomiting, and frequent infections to the bladder, vagina and/or skin.
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About The Author

Liza Barnes Liza Barnes
Liza has two bachelor's degrees: one in health promotion and education and a second in nursing. A registered nurse and mother, regular exercise and cooking are top priorities for her. See all of Liza's articles.

Member Comments

  • What about diabetes insipidus? - 3/15/2014 12:53:53 AM
  • Thank you! Finally, somewhere that makes a distinction between the types! I've had Type 1 since I was 3 years old, and have gotten so tired of people assuming that all types are the same. No, I can't be cured. No, losing weight will not make it "magically" disappear. And no, I didn't get it from eating too much sugar. I want to post this article all over the world right now! - 11/6/2013 1:40:58 PM
  • i am also having the type "LADA" , still without the need of any meds and hopefully will take many years for it.
    got also more autoimmune diseases like HASHIMOTO & CELIAC - 1/21/2013 7:57:05 PM
  • IVYMH82
    Only issue I have with this article is that there are 4 types of Diabetes. There is also Latent Autoimmune Diabetes in Adults (LADA for short) and also known as diabetes type 1.5. It's the form I have and while it mirrors Type 1 diabetes, the onset takes longer to occur, generally happening over months to years, as opposed to weeks to months like with Type 1. Aside from that, excellent article. - 7/31/2012 11:49:19 AM
  • PF2FAR
    Very well written article, however, don't get the reason for the cup in the picture!!!!
    Only you can control your Diabetes, make the right decisions daily and it will not control you/ - 6/27/2012 8:47:14 PM
  • Does anyone else wonder-"Whats in the cup?" Informative article. - 6/27/2012 6:33:34 PM
  • 1954MARG
    People of South Asian ethnicity are also at increased risk of developing diabetes. If your father has diabetes the risk of developing diabetes yourself is much higher than if any other family member has the disease.
    Diabetes is a lifelong incurable progressive condition that can be well controlled by lifelong attention to diet plus exercise and/or medication as advised. The main complications of diabetes are caused by damage to both large and small blood vessels and nerve endings that are avoidable if treatment is followed rigorously, but cannot be reversed and can lead to disabling damage to eyes and organs and limbs.
    Very scary, so thank you very much for bringing this to everyone's attention. - 6/27/2012 2:53:45 PM
  • We discovered my daughter had type 1 diabetes at age 3 almost two years ago. Life changing. She takes 5 shots of insulin a day, and has to check her blood sugar before each meal and bed time, many nights I have to check her in the middle of the night. It's very important people know the signs of diabetes. Untreated it's not thtat they can go into kedosis, they will. When we made the discovery with my daughter she was very sick, had lost a lot of weight and could hardly stay awake. We spent the better part of a week in the hospital, many kids get a lot sicker. Thank you for sharing this important information. - 6/27/2012 8:03:44 AM
  • Thank you for your article. My son was also diagnosed at 14 with type one, through aa sports physical. He now wears a pump and is keeping his levels down through exercise and sensible eating. He still hates every minute of being the kid who has a wire going into his stomache comming out of his pocket but he knows it is his life line. - 6/27/2012 6:57:16 AM
  • There is another rare kind of diabetes - MODY - Mature Onset Diabetes in the Young. It is genetic and is generally diagnosed before age 25. - 6/27/2012 6:45:15 AM
  • Gestational diabetes is typically treated with insulin, not oral hypoglycemics, because pills can cross the placenta and affect the fetus. - 10/3/2011 5:23:41 AM
  • Even though my brother's death certificate probably lists the cause of death as kidney failure and congestive heart failure, we know that Jerry died from diabetes. Diabetes kills internal organs, and there is still no cure. He was diagnosed at age 14, after a physical to play high school sports. He lived 35 years with the disease, and had diabetic retinopathy, a 5-way heart bypass which resulted in a raging E-coli infection and had most of his sternum and a lot of muscle removed, then had to have a muscle grafted to cover his heart, a kidney transplant, bowel resection due to the scar tissue from all the surgeries after his heart surgery, and finally heart attacks and a pacemaker put in before he went into kidney failure again (15 years after the transplant...whic
    h was longer than the average transplant lasts) and the congestive heart failure. Be aware of who's at risk, and the symptoms of diabetes. Don't let your family go through the pain and heartache of watching a loved one battle this disease. - 12/10/2009 11:16:31 AM
  • I answered 4 because I was including diabetes
    obably being too technical right? - 9/29/2009 10:04:16 PM
  • Diabetes is a hard thing to have, it is like being in a bubble some of the time. It is true, you have to make sure that it is keep in good control and make sure to see your doctor.
    Diabetes run through my family. My dad's sister has it, my grandpa had it and in my family I was the one that got it. I have an younger sister and she is great about my disease and my family and friends. Life can't stop just because the disease can't control me, I have to control it. It is hard but I know I can fight it. - 7/8/2008 9:03:30 PM

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