There is a strong, progressive association between tooth loss and heart disease, researchers report in a study published in the latest issue of American Journal of Preventive Medicine.
Heart disease was present in 4.7 percent of those without tooth loss, 5.7 percent of those with 1 to 5 missing teeth, 7.5 percent of those with 6 to 31 missing teeth, and 8.5 percent of those with total tooth loss, reports lead investigator Catherine Okoro, epidemiologist in the Division of Adult and Community Health at the Centers for Disease Control and Prevention.
This finding emerged after adjusting for sex, race and ethnicity, education, marital status, diabetes, smoking status, alcohol consumption, high blood pressure, high blood cholesterol and body mass index, Okoro said.
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Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.
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Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters
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