Schizophrenia has been linked to the risk for type 2 diabetes. Dysfunctional signaling involving protein kinase B (Akt) is a possible mechanism for schizophrenia; moreover, acquired Akt defects are associated with impaired regulation of blood glucose and diabetes, which is overrepresented in first-episode, medication-naive patients with schizophrenia. [58] In addition, second-generation antipsychotics are associated with greater risk for type-2 diabetes.
^ Jump up to: a b c Maruthur NM, Tseng E, Hutfless S, Wilson LM, Suarez-Cuervo C, Berger Z, Chu Y, Iyoha E, Segal JB, Bolen S (June 2016). "Diabetes Medications as Monotherapy or Metformin-Based Combination Therapy for Type 2 Diabetes: A Systematic Review and Meta-analysis". Annals of Internal Medicine. 164 (11): 740–51. doi:10.7326/M15-2650. PMID 27088241.
The relationship between type 2 diabetes and the main modifiable risk factors (excess weight, unhealthy diet, physical inactivity and tobacco use) is similar in all regions of the world. There is growing evidence that the underlying determinants of diabetes are a reflection of the major forces driving social, economic and cultural change: globalization, urbanization, population aging, and the general health policy environment.[77]
Most cases of diabetes involve many genes, with each being a small contributor to an increased probability of becoming a type 2 diabetic.[10] If one identical twin has diabetes, the chance of the other developing diabetes within his lifetime is greater than 90%, while the rate for nonidentical siblings is 25–50%.[13] As of 2011, more than 36 genes had been found that contribute to the risk of type 2 diabetes.[39] All of these genes together still only account for 10% of the total heritable component of the disease.[39] The TCF7L2 allele, for example, increases the risk of developing diabetes by 1.5 times and is the greatest risk of the common genetic variants.[13] Most of the genes linked to diabetes are involved in beta cell functions.[13]

^ Cheng J, Zhang W, Zhang X, Han F, Li X, He X, Li Q, Chen J (May 2014). "Effect of angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers on all-cause mortality, cardiovascular deaths, and cardiovascular events in patients with diabetes mellitus: a meta-analysis". JAMA Internal Medicine. 174 (5): 773–85. doi:10.1001/jamainternmed.2014.348. PMID 24687000.
We don’t know what causes gestational diabetes, but we know that you are not alone. It happens to millions of women. We do know that the placenta supports the baby as it grows. Sometimes, these hormones also block the action of the mother’s insulin to her body and it causes a problem called insulin resistance. This insulin resistance makes it hard for the mother’s body to use insulin. And this means that she may need up to three times as much insulin to compensate. 
This happens because constantly high levels of sugar in the blood stream can damage the blood vessels of the penis, or the blood vessels supplying the nerves to the penis. When the blood vessels and nerves are damaged, the blood flow to the penis is significantly reduced, resulting in erectile dysfunction. Other causes of erectile dysfunction include smoking, heart disease, high blood pressure and high cholesterol levels.
For type 2 diabetes mellitus to occur, both insulin resistance and inadequate insulin secretion must exist. For example, all overweight individuals have insulin resistance, but diabetes develops only in those who cannot increase insulin secretion sufficiently to compensate for their insulin resistance. Their insulin concentrations may be high, yet inappropriately low for the level of glycemia.
Hearing that your child or loved one has diabetes can be a shock. But after that shock wears off, know that there are plenty of things you can do to help manage this illness. With planning and preparation, you can get back to normal life and resume your daily activities. You can make physical activity part of every day. You can create a balanced diet for your child—one that everyone can live with and thrive on. Throughout it all, know that diabetes can’t keep your child from doing whatever they want and achieve their highest goals. There are Olympic athletes with diabetes, as well as professional football players, politicians, actors, rock stars, and CEOs. So, take a deep breath. You can do so much to make sure the people you love are thriving as they manage their diabetes.
Threshold for diagnosis of diabetes is based on the relationship between results of glucose tolerance tests, fasting glucose or HbA1c and complications such as retinal problems.[10] A fasting or random blood sugar is preferred over the glucose tolerance test, as they are more convenient for people.[10] HbA1c has the advantages that fasting is not required and results are more stable but has the disadvantage that the test is more costly than measurement of blood glucose.[52] It is estimated that 20% of people with diabetes in the United States do not realize that they have the disease.[10]

^ Jump up to: a b Cheng J, Zhang W, Zhang X, Han F, Li X, He X, Li Q, Chen J (May 2014). "Effect of angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers on all-cause mortality, cardiovascular deaths, and cardiovascular events in patients with diabetes mellitus: a meta-analysis". JAMA Internal Medicine. 174 (5): 773–85. doi:10.1001/jamainternmed.2014.348. PMID 24687000.


The 1989 "St. Vincent Declaration"[120][121] was the result of international efforts to improve the care accorded to those with diabetes. Doing so is important not only in terms of quality of life and life expectancy but also economically – expenses due to diabetes have been shown to be a major drain on health – and productivity-related resources for healthcare systems and governments.
Low testosterone (low-T) can be caused by conditions such as type 2 diabetes, obesity, liver or kidney disease, hormonal disorders, certain infections, and hypogonadism. Signs and symptoms that a person may have low-T include insomnia, increased body fat, weight gain, reduced muscle, infertility, decreased sex drive, depression, and worsening of congestive heart failure or sleep apnea.

The earliest surviving work with a detailed reference to diabetes is that of Aretaeus of Cappadocia (2nd or early 3rd century CE). He described the symptoms and the course of the disease, which he attributed to the moisture and coldness, reflecting the beliefs of the "Pneumatic School". He hypothesized a correlation between diabetes and other diseases, and he discussed differential diagnosis from the snakebite, which also provokes excessive thirst. His work remained unknown in the West until 1552, when the first Latin edition was published in Venice.[113]
Prevention and treatment involve maintaining a healthy diet, regular physical exercise, a normal body weight, and avoiding use of tobacco.[2] Control of blood pressure and maintaining proper foot care are important for people with the disease.[2] Type 1 diabetes must be managed with insulin injections.[2] Type 2 diabetes may be treated with medications with or without insulin.[13] Insulin and some oral medications can cause low blood sugar.[14] Weight loss surgery in those with obesity is sometimes an effective measure in those with type 2 diabetes.[15] Gestational diabetes usually resolves after the birth of the baby.[16]
^ Qaseem A, Wilt TJ, Kansagara D, Horwitch C, Barry MJ, Forciea MA (April 2018). "Hemoglobin A1c Targets for Glycemic Control With Pharmacologic Therapy for Nonpregnant Adults With Type 2 Diabetes Mellitus: A Guidance Statement Update From the American College of Physicians". Annals of Internal Medicine. 168 (8): 569–576. doi:10.7326/M17-0939. PMID 29507945.

As of 2017, an estimated 425 million people had diabetes worldwide,[9] with type 2 diabetes making up about 90% of the cases.[17][18] This represents 8.8% of the adult population,[9] with equal rates in both women and men.[19] Trend suggests that rates will continue to rise.[9] Diabetes at least doubles a person's risk of early death.[2] In 2017, diabetes resulted in approximately 3.2 to 5.0 million deaths.[9] The global economic cost of diabetes related health expenditure in 2017 was estimated at US$727 billion.[9] In the United States, diabetes cost nearly US$245 billion in 2012.[20] Average medical expenditures among people with diabetes are about 2.3 times higher.[21]
In countries using a general practitioner system, such as the United Kingdom, care may take place mainly outside hospitals, with hospital-based specialist care used only in case of complications, difficult blood sugar control, or research projects. In other circumstances, general practitioners and specialists share care in a team approach. Home telehealth support can be an effective management technique.[103]
A British study indicated that the HbA1c level achieved 3 months after the initial diagnosis of type 2 diabetes mellitus predicts subsequent mortality. In other words, according to the report, aggressive lowering of glucose after diagnosis bodes well for long-term survival. (Intensified diabetes control must be introduced gradually in newly diagnosed patients.) [75]
^ Zheng SL, Roddick AJ, Aghar-Jaffar R, Shun-Shin MJ, Francis D, Oliver N, Meeran K (April 2018). "Association Between Use of Sodium-Glucose Cotransporter 2 Inhibitors, Glucagon-like Peptide 1 Agonists, and Dipeptidyl Peptidase 4 Inhibitors With All-Cause Mortality in Patients With Type 2 Diabetes: A Systematic Review and Meta-analysis". JAMA. 319 (15): 1580–1591. doi:10.1001/jama.2018.3024. PMC 5933330. PMID 29677303.
Poor blood circulation and nerve damage. Damage to nerves and hardening of the arteries leads to decreased sensation and poor blood circulation in the feet. This can lead to increased infections and an increased risk of ulcers which heal poorly and can in turn significantly raises the risk of amputation. Damage to nerves may also lead to digestive problems, such as nausea, vomiting, and diarrhea.
Treatment for diabetes requires keeping close watch over your blood sugar levels (and keeping them at a goal set by your doctor) with a combination of medications, exercise, and diet. By paying close attention to what and when you eat, you can minimize or avoid the "seesaw effect" of rapidly changing blood sugar levels, which can require quick changes in medication dosages, especially insulin.
It is a good idea to wear a MedicAlert bracelet or tag that says you have diabetes. This will make others aware of your condition in case you have a severe hypoglycemic attack and are not able to make yourself understood, or if you are in an accident and need emergency medical care. Identifying yourself as having diabetes is important because hypoglycemic attacks can be mistaken for drunkenness, and victims often aren't able to care for themselves. Without prompt treatment, hypoglycemia can result in a coma or seizures. And, because your body is under increased stress when you are ill or injured, your blood sugar levels will need to be checked by the medical personnel who give you emergency care.

The United Kingdom Prospective Diabetes Study (UKPDS) was a clinical study conducted by Z that was published in The Lancet in 1998. Around 3,800 people with type 2 diabetes were followed for an average of ten years, and were treated with tight glucose control or the standard of care, and again the treatment arm had far better outcomes. This confirmed the importance of tight glucose control, as well as blood pressure control, for people with this condition.[89][135][136]
Also called diabe·tes mel·li·tus  [mel-i-tuh s, muh-lahy-] . a disorder of carbohydrate metabolism, usually occurring in genetically predisposed individuals, characterized by inadequate production or utilization of insulin and resulting in excessive amounts of glucose in the blood and urine, excessive thirst, weight loss, and in some cases progressive destruction of small blood vessels leading to such complications as infections and gangrene of the limbs or blindness. 

In animals, diabetes is most commonly encountered in dogs and cats. Middle-aged animals are most commonly affected. Female dogs are twice as likely to be affected as males, while according to some sources, male cats are also more prone than females. In both species, all breeds may be affected, but some small dog breeds are particularly likely to develop diabetes, such as Miniature Poodles.[126]
According to the National Institutes of Health, the reported rate of gestational diabetes is between 2% to 10% of pregnancies. Gestational diabetes usually resolves itself after pregnancy. Having gestational diabetes does, however, put mothers at risk for developing type 2 diabetes later in life. Up to 10% of women with gestational diabetes develop type 2 diabetes. It can occur anywhere from a few weeks after delivery to months or years later.
This happens because constantly high levels of sugar in the blood stream can damage the blood vessels of the penis, or the blood vessels supplying the nerves to the penis. When the blood vessels and nerves are damaged, the blood flow to the penis is significantly reduced, resulting in erectile dysfunction. Other causes of erectile dysfunction include smoking, heart disease, high blood pressure and high cholesterol levels.
Diabetes is a metabolic disorder that occurs when your blood sugar (glucose), is too high (hyperglycemia). Glucose is what the body uses for energy, and the pancreas produces a hormone called insulin that helps convert the glucose from the food you eat into energy. When the body either does not produce enough insulin, does not produce any at all, or your body becomes resistant to the insulin, the glucose does not reach your cells to be used for energy. This results in the health condition termed diabetes.
The Diabetes Control and Complications Trial (DCCT) was a clinical study conducted by the United States National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) that was published in the New England Journal of Medicine in 1993. Test subjects all had type 1 diabetes and were randomized to a tight glycemic arm and a control arm with the standard of care at the time; people were followed for an average of seven years, and people in the treatment had dramatically lower rates of diabetic complications. It was as a landmark study at the time, and significantly changed the management of all forms of diabetes.[89][133][134]

^ Feinman RD, Pogozelski WK, Astrup A, Bernstein RK, Fine EJ, Westman EC, Accurso A, Frassetto L, Gower BA, McFarlane SI, Nielsen JV, Krarup T, Saslow L, Roth KS, Vernon MC, Volek JS, Wilshire GB, Dahlqvist A, Sundberg R, Childers A, Morrison K, Manninen AH, Dashti HM, Wood RJ, Wortman J, Worm N (January 2015). "Dietary carbohydrate restriction as the first approach in diabetes management: critical review and evidence base". Nutrition. 31 (1): 1–13. doi:10.1016/j.nut.2014.06.011. PMID 25287761.
The top 10 countries in number of people with diabetes are currently India, China, the United States, Indonesia, Japan, Pakistan, Russia, Brazil, Italy, and Bangladesh. The greatest percentage increase in rates of diabetes will occur in Africa over the next 20 years. Unfortunately, at least 80% of people in Africa with diabetes are undiagnosed, and many in their 30s to 60s will die from diabetes there.
Dietary factors also influence the risk of developing type 2 diabetes. Consumption of sugar-sweetened drinks in excess is associated with an increased risk.[48][49] The type of fats in the diet is also important, with saturated fat and trans fats increasing the risk and polyunsaturated and monounsaturated fat decreasing the risk.[47] Eating lots of white rice, and other starches, also may increase the risk of diabetes.[50] A lack of physical activity is believed to cause 7% of cases.[51]
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For type 2 diabetes mellitus to occur, both insulin resistance and inadequate insulin secretion must exist. For example, all overweight individuals have insulin resistance, but diabetes develops only in those who cannot increase insulin secretion sufficiently to compensate for their insulin resistance. Their insulin concentrations may be high, yet inappropriately low for the level of glycemia.
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