Category: Diet

Lithium for Life Extension?

Last month, Anna Fels wrote in the Sunday NYTimes suggesting that lithium be added to the drinking water because trace amounts of lithium are associated with lower rates of mental illness, violence and suicide in particular. What she didn’t say was that communities with naturally-occurring lithium in their drinking water enjoy greater longevity as well.

Sex: The Carrot and the Stick

Sex is so important to the health of a breeding community that natural selection has arranged to encourage everyone to participate. There’s a conflict here, because the selfish gene does not want to share. The strongest and most fertile individuals–anyone who has an advantage in the present environment–is tempted not to dilute her genes by sharing, but to reproduce clonally instead. Avoid the competition for mates; avoid the energy expense, the dangers and deceptions to which mating is prone; transmit all your genes to the next generation, not just half.