Washington, Sep 11 : A new study has found that it's the 'nice but naughty' nature of chocolates that makes us readily admit to being 'addicted' to the sweet.

Our affinity for chocolate goes beyond what most would call normal and that's what the study has tried to expose i.e. why do we willingly label ourselves as 'chocoholics'.

Washington, Sept 11: Scientists at Ohio State University say that they have discovered why blood vessels constrict during and after a heart attack.

The researchers say that delivering a vital molecule that is depleted during this process directly to those blood vessels can reverse damage and help restore blood flow.

According to Canadian researchers, in people with Alzeheimer’s disease, an antidepressant and a generally prescribed antipsychotic medication works well in treating their aggressive behavior, without any sever side-effects.