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Why do fingernails become brittle with age – and what can you really do about it?
While you're making your morning coffee, it happens again: a fingernail tears, even though you were being so careful. What used to be strong and resilient now seems as thin as paper and breaks at the slightest pressure. If you're wondering why your nails aren't as robust as they used to be and what really helps – then you've come to the right place. Brittle fingernails are not an inevitable consequence of aging, but rather a complex interplay of biochemical changes, nutrient

Norman Reffke
Nov 30, 202523 min read


B-Vitamins: Why They Only Work as a Team – and When Single Doses Become Dangerous
Imagine trying to conduct an orchestra with only the violinist showing up for the performance – the result would be anything but harmonious. This is exactly what happens in your body when you take isolated B-vitamins without understanding the complex biochemical interplay. While the supplement industry wants us to believe that more of a single vitamin automatically means better, science shows a completely different picture: B-vitamins function like a high-precision clockwork

Norman Reffke
Jul 22, 202524 min read
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