London : Keep your teeth clean if you want to protect your heart from diseases, suggests a new study that has found evidence of a link for the first time between gum disease and heart disease.

Periodontitis is a chronic gum disease, which occurs when waste material or plaque collects around the teeth and irritates the gums. One can remove the plaque by brushing and flossing the teeth regularly.

London, Sep 6 : The increasing use of fluorescent lights in schools is putting more and more children at the risk of getting headaches.

According to a Cambridge University study, eight in 10 classrooms in England are fitted with immoderate bright and flickering lights, which, according to experts, result in eye strain and loss of concentration.

Washington, Sept 6 : A new study has revealed that there exists inside each cell a little engine called RNA polymerase which scans the cell for DNA damage.

When certain types of damage in DNA stop the action of RNA polymerase II, a stress signal is created that cautions a key tumour-suppressor protein called p53.

Washington, Sept 6 : The increase in the consumption of sugar-sweetened beverages over the last several decades may be responsible for insulin resistance, a precursor to Type 2 diabetes, a new study has suggested.

The study was conducted by researchers at the USDA Human Nutrition Research Center on Aging (USDA HNRCA) at Tufts University.