Dawn of a revolution. Bill Gates as pictured in his freshman yearbook. Gates attended Harvard from 1973 to 1975. Microsoft founder Bill Gates, who attended Harvard, returns to campus this weekend for a question-and-answer session as part of the launch of The Harvard Campaign.
Adults. A normal blood sugar level is between 72 mg/dL and 108 mg/dL (4 to 6 mmol/L) for a healthy person. The concentration of glucose in the blood of a healthy person in the morning on an empty stomach is between 68 mg/dL and 108 mg/dL (3.8 and 6.0 mmol/L).lood sugar level (or blood sugar concentration) is the amount of glucose (a source of energy) present in your blood at any given time. A normal blood glucose level for a healthy person is somewhere between 72 mg/dL (3.8 to 4 mmol/L) and 108 mg/dL (5.8 to 6 mmol/L).
Normal Blood Sugar Levels. Carbohydrates supply the body with blood glucose. This sugar in the bloodstream works in conjunction with insulin to supply the brain with food and the bodyâs cells with energy. In a healthy adult, normal blood sugar levels range from 70 mg/dl to 130 mg/dl, and up to 180 mg/dl after eating a meal. Causes At the metabolic level, hypoglycemia results from too little glucose in the blood or too much insulin.