2 edited body
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As for "increasing immune system", there may actually be some truth in that:

"Here, we show that prolonged fasting reduces circulating IGF-1 levels and PKA activity in various cell populations, leading to signal transduction changes in long-term hematopoietic stem cells (LT-HSCs) and niche cells that promote stress resistance, self-renewal, and lineage-balanced regeneration. Multiple cycles of fasting abated the immunosuppression and mortality caused by chemotherapy and reversed age-dependent myeloid-bias in mice, in agreement with preliminary data on the protection of lymphocytes from chemotoxicity in fasting patients."

Here, we show that prolonged fasting reduces circulating IGF-1 levels and PKA activity in various cell populations, leading to signal transduction changes in long-term hematopoietic stem cells (LT-HSCs) and niche cells that promote stress resistance, self-renewal, and lineage-balanced regeneration. Multiple cycles of fasting abated the immunosuppression and mortality caused by chemotherapy and reversed age-dependent myeloid-bias in mice, in agreement with preliminary data on the protection of lymphocytes from chemotoxicity in fasting patients.

Source: http://www.cell.com/cell-stem-cell/abstract/S1934-5909(14)00151-9 (I do not have access to the full article, and the summary does not give the actual results nor methodology).

Article: http://www.eurekalert.org/pub_releases/2014-06/uosc-fts060214.php

As for "increasing immune system", there may actually be some truth in that:

"Here, we show that prolonged fasting reduces circulating IGF-1 levels and PKA activity in various cell populations, leading to signal transduction changes in long-term hematopoietic stem cells (LT-HSCs) and niche cells that promote stress resistance, self-renewal, and lineage-balanced regeneration. Multiple cycles of fasting abated the immunosuppression and mortality caused by chemotherapy and reversed age-dependent myeloid-bias in mice, in agreement with preliminary data on the protection of lymphocytes from chemotoxicity in fasting patients."

Source: http://www.cell.com/cell-stem-cell/abstract/S1934-5909(14)00151-9 (I do not have access to the full article, and the summary does not give the actual results nor methodology).

Article: http://www.eurekalert.org/pub_releases/2014-06/uosc-fts060214.php

As for "increasing immune system", there may actually be some truth in that:

Here, we show that prolonged fasting reduces circulating IGF-1 levels and PKA activity in various cell populations, leading to signal transduction changes in long-term hematopoietic stem cells (LT-HSCs) and niche cells that promote stress resistance, self-renewal, and lineage-balanced regeneration. Multiple cycles of fasting abated the immunosuppression and mortality caused by chemotherapy and reversed age-dependent myeloid-bias in mice, in agreement with preliminary data on the protection of lymphocytes from chemotoxicity in fasting patients.

Source: http://www.cell.com/cell-stem-cell/abstract/S1934-5909(14)00151-9 (I do not have access to the full article, and the summary does not give the actual results nor methodology).

Article: http://www.eurekalert.org/pub_releases/2014-06/uosc-fts060214.php

1
source | link

As for "increasing immune system", there may actually be some truth in that:

"Here, we show that prolonged fasting reduces circulating IGF-1 levels and PKA activity in various cell populations, leading to signal transduction changes in long-term hematopoietic stem cells (LT-HSCs) and niche cells that promote stress resistance, self-renewal, and lineage-balanced regeneration. Multiple cycles of fasting abated the immunosuppression and mortality caused by chemotherapy and reversed age-dependent myeloid-bias in mice, in agreement with preliminary data on the protection of lymphocytes from chemotoxicity in fasting patients."

Source: http://www.cell.com/cell-stem-cell/abstract/S1934-5909(14)00151-9 (I do not have access to the full article, and the summary does not give the actual results nor methodology).

Article: http://www.eurekalert.org/pub_releases/2014-06/uosc-fts060214.php