References:

1. Symptoms of Diabetes - (http://www.diabetes.ca/about-diabetes/signs-and-symptoms)
2. Type 1 diabetes - Symptoms - (http://www.nhs.uk/Conditions/Diabetes-type1/Pages/Symptoms.aspx)
3. Signs and symptoms of diabetes - (http://www.idf.org/signs-and-symptoms-diabetes)
4. Diabetes Symptoms - (http://www.diabetes.org/diabetes-basics/symptoms/)
5. Diabetes symptoms: When diabetes symptoms are a concern - (http://www.mayoclinic.org/diseases-conditions/diabetes/in-depth/diabetes-symptoms/art-20044248?pg=1)
6. Diabetes: 12 warning signs that appear on your skin - (https://www.aad.org/public/diseases/other-conditions/diabetes-warning-signs)
7. Symptoms, Diagnosis & Monitoring of Diabetes - (http://www.heart.org/HEARTORG/Conditions/More/Diabetes/SymptomsDiagnosisMonitoringofDiabetes/Symptoms-Diagnosis-Monitoring-of-Diabetes_UCM_002035_Article.jsp#.WCYgOxQyfdk)
8. More on the Mouth - (http://www.diabetes.org/living-with-diabetes/treatment-and-care/oral-health-and-hygiene/more-on-the-mouth.html)
9. Type 2 Diabetes and Weight Gain from Insulin - (http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/insul-gain-eng.php)
10. Kaushal K, Ghosh S, Dornan TL. Headache in diabetes—occipital neuropathy. Journal of the Royal Society of Medicine. 2003;96(12):589.