Scientists find even modest amounts of exercise appear to delay brain changes and cognitive decline in patients  Even modest amounts of daily exercise may slow the progression of Alzheimer’s disease in older people who are at risk of developing the condition, researchers have said.  People are often encouraged to clock up 10,000 steps a day as part of a healthy routine, but scientists found 3,000 steps or more appeared to delay the brain changes and cognitive decline that Alzheimer’s patients experience.  Continue reading...   from The Guardian https://ift.tt/iJVGCYq  via IFTTT  
Two other substations available to supply airport with electricity, according to chief executive John Pettigrew
There was enough power for Heathrow to remain open during the entire period it was shut down on Friday, the head of National Grid has said.
Speaking for the first time since a fire forced North Hyde substation to close, the National Grid chief executive, John Pettigrew, said two other substations that serve Heathrow were working and could have supplied the airport with all the power it needed to remain open.
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