1 If a person is diagnosed with diabetes, then the physician may recommend regular HbA1c tests in the future. 2  Depending on the type of diabetes, the patient may need to undergo the HbA1c normal range test after every 3 to 6 months.ed blood cells typically live for approximately 120 days in the bloodstream. This allows an HbA1c range test to determine the levels of sugar occurring in the body for over the past 3 months. As compared to regular monitoring of glucose carried out at home, an HbA1c range test is more reliable and relatively better.
African-American chemist Percy Julian was a pioneer in the chemical synthesis of medicinal drugs such as cortisone, steroids and birth control pills.
Percy Wyndham Lewis - (18 November 1882 - 7 March 1957) was an English painter and author. He was a co-founder of the Vorticist movement in art, and edited the literary magazine of the Vorticists, BLAST.ouis Braille - (January 4, 1809 - January 6, 1852) Louis Braille became blind after he accidentally stabbed himself in the eye with his father's awl. He later became an inventor and designed braille writing, which enables blind people to read through feeling a series of organized bumps representing letters.