Together, such measures could prevent 74 percent of coronary events, the Harvard researchers concluded.
The Harvard researchers analyzed data only through 2005, although they promised to include 2006 figures in future analyses.
Harvard researchers have developed a disposable lab-on-a-chip made of paper.
That study was conducted from 1985 to 1994 by Harvard researchers.
"The investigation which was made upon the Harvard researchers had political roots," he said after a news conference today.
In 1990, Harvard researchers had reported several cases of suicidal thinking in patients on the drugs.
The study produced some good news for women who stop smoking, the Harvard researchers said.
But the Harvard researchers said they were not able to quantify the duration of the protective effect.
Since 1992, the body of the report has been prepared by Harvard researchers.
Harvard researchers say they will soon begin human trials of the antibiotic in patients with Huntington's disease.