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  • This study shows some pretty interesting things in terms of a dramatic ability to (apparently) decrease lead status in the blood and seems to also really improve memory performance and reduce oxidative stress (from the lead) in the brain. It’s really pretty impressive, especially in light of the fact that, according to this paper, the neurotoxic effects are associated with amyloid beta production. This makes it plausibly relevant in the context of Alzheimer’s.

    FTA:

    “Compared with the normal saline and [corn oil-treated] groups, the lead level in the blood of sulforaphane and SFN + Vitamin E group had a significant decrease. In water maze test, the mice treated with sulforaphane or/and Vitamin E performed better than mice of the normal saline and corn oil groups. In addition, a remarkable decrease in MDA (malondialdehyde) level was found in mice treated with sulforaphane or/and vitamin E than those in normal saline and corn oil groups.”

    Not stated explicitly so far as I could tell in the article, but the figure 2 makes it look like lead content in the blood is reduced by almost 2/3rds. According to figure 6, MDA in the hippocampus, a marker for oxidative status, rises by approximately half of what the lead-exposed non-SFN group did (normal saline). In other words: more oxidative stress than control in the hippocampus, but not as much as lead without sulforaphane. It’s almost like they got half the lead exposure, if the dose-response was linear. Similarly, actual memory function was dramatically improved (measured by maze task) relative to non-sulforaphane group… but still lagged control by a little bit.

    Altogether interesting study!

  • This study included over 2,000 middle-aged men that were followed for 20 years. The results were adjusted for many possible confounding factors including baseline age, alcohol consumption, BMI, physical exercise, socioeconomic status, systolic blood pressure, smoking status, type 2 diabetes, previous heart attack, resting heart rate and serum low-density lipoprotein cholesterol.

    One of the reasons I find this study so compelling even though it is associative data and does not establish causality is because the sauna activates heat shock proteins, which have been shown in countless animal studies to play a causal role in preventing Alzheimer’s disease and other neurodegenerative diseases.

    Anyone that follows me knows that I talk about saunas ALOT. I have a couple of videos where I discuss the effects of the sauna on longevity and in muscle mass and endurance. I discuss the role of heat shock proteins in both videos. I also have free reports with references covering all these topics that you can download on my website (foundmyfitness.com). Sauna longevity video: https://www.youtube.com/watch?v=eWKBsh7YTXQ Sauna muscle/endurance video: https://www.youtube.com/watch?v=aHOlM-wlNjM&t=1s