Can the laser light at the end of the tunnel be used to get to the end of the tunnel?

[1] Otsuka Y, Miyazaki S, Okumara H et al. Abnormal glucose tolerance, not small vessel diameter, is a determinant of longterm prognosis in patients treated with balloon angioplasty. Eur Heart J 2000; 21: 1790–96. [2] Fuller JH, Shipley M, Rose G, Jarrett RJ, Keen H. Mortality from coronary heart disease and stroke in relation to degree of glycaemia: The Whitehall Study. BMJ 1983; 287: 867–70. [3] Jarret RJ. The cardiovascular risk associated with impaired glucose tolerance. Diabetic Med 1996; 13 (Suppl 2): S15–19. [4] Eschwege E, Richard JL, Thibult N et al. Coronary heart disease mortality in relation with diabetes, blood glucose and plasma insulin levels: The Paris Prospective Study, ten years later. Horm Metabol Res 1985; 15 (Suppl): 41–6. [5] Lehto S, Ronenemaa T, Haffner S, Pyörälä K, Kallio V, Laakso M. Dyslipidaemia and hyperglycaemia predict coronary heart disease events in middle-aged patients with NIDDM. Diabetes Care 1997; 46: 1354–9. [6] Klein R. Kelly West Lecture 1994 — Hyperglycaemia and microvascular and macrovascular disease in diabetes. Diabetes Care 1995; 18: 258–68. [7] Turner RC, Millns H, Neil HAW et al. For the United Kingdom Prospective Diabetes Study Group. Risk factors for coronary artery disease in non-insulin dependent diabetes mellitus: United Kingdom prospective diabetes study (UKPDS 23). BMJ 1998; 316: 823–8. [8] The Diabetes Control and Complications Trial Research Group. The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus. N Engl J Med 1993; 329: 977–86. [9] UK Prospective Diabetes Study (UKPDS) Group. Intensive blood glucose control with sulphonyureas or insulin compared with conventional treatment and risk of complications in patients with Type 2 diabetes (UKPDS 33). Lancet 1998; 352: 837–53. [10] Malmberg K for the DIGAMI (Diabetes Mellitus Insulin Glucose Infusion in Acute Myocardial Infarction) Study Group. Prospective randomised study of intensive insulin treatment on long term survival after acute myocardial infarction in patients with diabetes mellitus. BMJ 1997; 314: 1512–15.