6

Am I reading this right, that junk food and drinking soft drinks is correlated with higher intelligence quotient ? Does all that sugar beside its negative side effects (tooth decay, insulin highs) have this positive effect on intelligence ? No you are not reading it right, but your mistake is very a common misunderstanding of statistics. The key point ...


4

As the saying goes, anything is a poison, it's the dose that matters. Short summary, the new 2015 US PHS standard (0.7 mg/L) or even the old one (0.7-1.2 mg/L) are below the doses at which negative effects were observed in China (2.5-4.1 mg/L), and the evidence from there is not of high quality, even though there's one meta-analysis of it. (As a cautionary ...


3

The heart is not a center of intellect, it's a multi-chambered pump made primarily out of muscle. There are however "heart signals", at least in a sense. The Sinoatrial Node is a specialized group of cells in the heart that produces regular action potentials across the cell membranes in the heart (causing the contractions that pump the blood) but this isn'...


3

There are over 300 studies have found that fluoride is a neurotoxin (a chemical that can damage the brain). According to EPA scientists (United States Environmental Protection Agency), there is substantial evidence that fluoride is neurotoxin2009. They based their conclusion on studies showing that fluoride exposure during pregnancy can damage the brain ...


2

It certainly is not true. There are a few reasons which might help you understand why this "humans only use 10% of their brain" is a myth: If humans only used 10% of their brains, it would be fine if one removed the 90% that is unused. However, in most cases (if not all), even slight damage to the brain causes impair of performance. This is the case of ...


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