By Jim Johnson, The Monterey County Herald, Calif. Nov. 10--Since Roxanne Segobia was diagnosed with Type 2 diabetes 14 years ago, she has devoted herself to managing the disease, watching her diet, monitoring her blood-sugar levels, and injecting insulin when necessary.

WEDNESDAY, Dec. 21 (HealthDay News) -- A 20-year study of people with type 1 diabetes shows that tight control of blood sugar levels cuts their risk of heart disease by more than half. The new research, published in the Dec. 22 New England Journal of Medicine, is "a landmark study," according to Dr.