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age

  1. JamesGatz

    The Real Age of Earth - Just how accurate is Radiometric Dating ?

    I think this is a good, serious discussion to have. I do see many these days like to express doubt of religions and the Bible for suggesting the Earth may not be as old as many would like to think but I think we should look at the process people arrive to the idea that Earth is hundreds of...
  2. BearWithMe

    Why are people in big cities generally much healthier?

    According to every study I read and every demographical data I have seen, people living in big cities tend to live longer and do better in almost every measurable health marker. But living on countryside should be much healthier, in theory. Less pollution, cleaner air, less EMF exposure, better...
  3. haidut

    Striking Accumulation Of PUFA In Aged Cells

    Peat has written many times about the changes that occur in "aged" cells. Those changes are virtually indistinguishable from the ones that occur in "sick" cells and are characterized by reduced mitochondrial number/size and a shift in lipid composition away from saturated and towards unsaturated...
  4. haidut

    Humans Have A 'salamander-like' Ability To Regrow Cartilage

    The title says it all, but the study authors make the unfortunate/handicapped conclusion that while we may very well be able to regrow cartilage, we cannot regrow limbs. Well, multiple animal studies I posted in the last beg to disagree and point to both high metabolism and progesterone as...
  5. haidut

    Fertility Depends On Metabollism (ATP), Not Age

    As many of you know, there are 2 fundamental dogmas in reproductive medicine. One is that every woman is born with a fixed number of eggs and those cannot be replenished. The second one is that there is a biological fertility clock in every woman that inexorably ticks, and if the female does not...
  6. S

    Diet And Sex Hormone-binding Globulin

    Diet and sex hormone-binding globulin. - PubMed - NCBI
  7. haidut

    Protein Requirements Increase With Age

    Ray has written on the dangers of chronic protein deficiency and often recommends at least 80g of protein a day. In younger people (20-30 years old) the anabolic effects of protein peak at about 20g of protein per meal. It looks like in older people the requirement is higher. I have known about...
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