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New study says 9 lifestyle changes can cut dementia risk

PARIS: One third of dementia cases can be prevented with some basic lifestyle changes and better education during childhood, a study published in The Lancet said Thursday. Nearly 50 million people around the world suffer from dementia and Alzheimer's according to the latest estimates. This figure could balloon to 132 million by 2050. The nine factors which damage the brain notably include hearing loss, obesity and smoking, the study found. "Our results suggest that around 35 percent of dementia is attributable to a…

New study reveals how frogs flourished after dinosaurs croaked

A massive asteroid strike that wiped out the dinosaurs millions of years ago created room for frogs to colonize the Earth, said a study Monday that shows how frogs became among the most diverse vertebrates in the world. As many as 10 types of frogs are believed to have survived the mass extinction some 66 million years ago, which erased three-quarters of life on Earth, said the report in the Proceedings of the National Academy of Sciences. Of these survivors, just three major kinds of frogs went on to diversify and…

Brain ‘continues to live’ after people die: study

OTTAWA: Medical experts fathoming out myths of 'life after death' believe that brain activity may continue for more than 10 minutes after the body appears to have died. According to a new study, Canadian doctors in an intensive care unit appear to have observed a person's brain continuing to work even after they were declared clinically dead. In the case, doctors confirmed their patient was dead through a range of the normal observations, including the absence of a pulse and unreactive pupils. But tests showed that the…