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As part of a recent study, researchers have found oxidative stress as the common link between sleep and aging . The research suggests that oxidative stress leads to sleep and is also believed to be a reason why we age. It is also seen as a cause of degenerative diseases. "It's no accident that oxygen tanks carry explosion hazard labels: uncontrolled combustion is dangerous. Animals, including humans, face a similar risk when they use the oxygen they breathe to convert food into energy: imperfectly contained combustion leads to "oxidative stress" in the cell. This is believed to be a cause of aging and a culprit for the degenerative diseases that blight our later years. Our new research shows that oxidative stress also activates the neurons that control whether we go to sleep," explained Gero Miesenbock, lead researcher of the study. The team studied the regulation of sleep in fruit flies - the animal that also provided the first insight into the ...

Researchers have identified a naturally occurring bone hormone that can potentially reverse memory loss in the ageing brain through exercise . The study on the hormone osteocalcin lends new insight into how lifestyle changes that affect the body, such as exercise, could positively affect the brain. "Nearly everyone will experience age-related memory loss in their lifetime, so it is incredibly important to understand its causes and identify ways to mitigate it," said Eric R. Kandel, Professor at the Columbia University. "With today's study, we are not only building a detailed understanding of how age-related memory loss originates in the brain, we've shown how osteocalcin interacts with key proteins in the brain to boost memory." For many years, memory loss was treated as a singular disorder. But scientists have now begun to realise that Alzheimer's disease, begins in a part of the brain called the entorhinal cortex, which lies at th...