In this week’s Medical Discovery News with UTMB’s David Niesel and Norbert Herzog: Some view mental decline as an inevitable symptom of getting “over the hill.” Now, a study may have revealed why people experience senior moments, attributing them to brain microbleeds — or BMB — because of stiffening arteries. The column also appears in the Abilene Reporter-News. Learn more at www.medicaldiscoverynews.com.