When Bill Gates was at Harvard, he wrote software code that helped to launch the personal computer era. Courtesy of Harvard Yearbook Publications. 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.
1 More than 120 over 80 and less than 140 over 90 (120/80-140/90): You have a normal blood pressure reading but it is a little higher than it should be, and you should try to lower it.2  Make healthy changes to your lifestyle. Follow a healthy lifestyle to keep it at this level. 2  More than 120 over 80 and less than 140 over 90 (120/80-140/90): You have a normal blood pressure reading but it is a little higher than it should be, and you should try to lower it.
A normal blood pressure for a healthy adult ranges from 90 to 120 mm Hg systolic and from 60 to 80 mm Hg diastolic. Under normal circumstances, blood volume remains constant at 5,000 mL. blood pressure with a systolic of 140 mm Hg or higher or a diastolic pressure of 90 mm Hg or higher is considered high, although for patients with certain chronic conditions, like coronary artery disease, the guidelines vary.