The Guardian has a good article about a campaign to make Cleveland, Ohia (USA) a lead-free city. The article also contains a table with some of the negative consequences of lead exposure on the health of children.
One of the Four Goals formulated by O’Neill in The High Frontier is to find an optimal life climate for all of humanity. The major implication of this for space habitats is to eliminate those substances, that are known to have a negative impact on public health. Continue reading Lead: one more time…
Previously we have discussed the effect of lead exposure on cognitive development as well its association with crime. ScienceDaily reports a new study that further confirms the negative effect of lead on neural development:
Bottom line: any concentration of lead in the environment has a negative impact on the cognitive abilities of children. Since this damage is permanent, lead poisoning is a major social problem as reduced mental capacities will negatively affect performance at school and in later life.
Hence our position remains that the authorities in future space settlements should implement a zero tolerance policy when it comes to lead – any lead containing product should be banned from daily life.
A democratic republic can only survive and flourish if its citizens are well-educated. However, such an educated society can only exist if the overall majority of its citizens has the individual cognitive ability to handle proper education. In other words a democratic republic is only possible as its citizens have a certain degree of general intelligence. Continue reading Lead and choline
Recently I came across the lead crime hypothesis. According to this hypothesis, proposed by Rick Nevin, crime rates are related to the exposure to lead. More precisely Nevin argues that the crime bulge seen in multiple Western countries could be related by the use of leaded gasoline. Continue reading Public enemy #1?