Most people think a cold feels terrible because of the virus. But much of what we experience during a cold is actually the immune system signalling its response, not the virus itself. Fatigue.Brain......
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Engineers know the difference. How much easier would life beif we could replace parts of ourselveslike worn components? Engineers understand degradation. A bearing wears.A seal fatigues.A surface e......
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If you grew up in the UK, you probably remember the advert. Completely absurd of course. But the instinct behind it was strangely accurate. As we get older we feel energy decline.And if we could ch......
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