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How Does Body Maintain Normal Blood Sugar? a Insulin Resistance and Its Consequences Sidika E. Karakas, M.D Professor and Chief Division of Endocrinology, Diabetes and Metabolism Symptoms of High Sugar Symptoms of Low Sugar (Diabetes)

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  1. How Does Body Maintain Normal Blood Sugar? a Insulin Resistance and Its Consequences Sidika E. Karakas, M.D Professor and Chief Division of Endocrinology, Diabetes and Metabolism

  2. Symptoms of High Sugar Symptoms of Low Sugar (Diabetes) (Hypoglycemia)

  3. Blood Sugar Homeostasis

  4. Pancreas

  5. Amount of Insulin We Need Depends on What We Eat Meals containing sugars and simple carbohydrates require more insulin

  6. Amount of Insulin We Need also Depends on Our Body

  7. Larger the Waistline Higher the Need for Insulin (Insulin Resistance)

  8. Skin Signs of Insulin Resistance

  9. Insulin Response to Sugar Intake Insulin resistant Normal

  10. INSULIN RESISTANCE NEED for EXCESS INSULIN PANCREAS FATIGUE TYPE 2 DIABETES

  11. Common Cause of Insulin Resistance in Females: PCOS Insulin Resistance Cysts in the Ovaries

  12. Polycystic Ovary Syndrome (PCOS) • Most common endocrine condition in women • Affects 1 out of 16 women –8% of AA; 5% of White • Causes irregular periods • Excess facial or body hair

  13. Menstrual cycles are a vital sign Andrea Dunaif, MD.

  14. What is normal? • More than 35 days in between two periods is considered “too long” • One year after having their first period, 65% of adolescents have more than 10 periods / year • Three years after, more than 90% have >10 menses /year

  15. Difficulty in getting pregnant Excess Hair Weight gain Acanthosis Infrequent periods Age 10 30 20

  16. What can we do about it • We can do a lot –Weight control –Insulin sensitizers (metformin) –Medicines for acne, facial hair and body hair

  17. Clinical Findings of PCOS

  18. Effects of Weight Loss on Fertility • 33 PCOS patients • 25 lost 5% weight • 11 of these lost >10% • 15 women ovulated • 10 became pregnant P.G. Crosignani et al. Human Repro 18:1928, 2003.

  19. Cysts in the ovaries decreased with weight loss • Ovarian volume decreased by 18% with 5% weight loss 25% with 10% weight loss • Follicle number decreased from 23.5 ± 11.5 to 19.9 ± 9.9 with 5%, to 18.3 ± 7.5 with 10% weight loss

  20. Healthy Ways to Decrease Insulin Resistance • Decrease simple sugar intake – DO NOT DRINK SWEETENED DRINKS • Don’t overeat • Walk, do sports – 150 min/wk to maintain weight – 250 min/wk to lose weight • Talk to your parents and doctor – If you don’t have monthly periods – If you are getting excess hair

  21. Treatment of Facial Hair Suppress ovarian androgen production –contraceptives

  22. Treatment of Facial Hair Block androgen receptor (sprinolactone) Block conversion of testosterone to DHT (finasteride)

  23. Management Planning Oral Contraceptives Lipids Insulin resistance Diabetes Pregnancy Pregnancy Facial Hair

  24. Difficulty in getting pregnant Excess Hair Weight gain Acanthosis Infrequent periods Age 10 30 20

  25. sekarakas@ucdavis.edu

  26. http://www.ucdmc.ucdavis.edu/ internalmedicine/endocrinology/ Research.html

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