Should we put lithium in the water? (2011)
theguardian.com
theguardian.com
It's interesting that this downside wasn't even on the radar of this article in 2011, and indeed no serious consideration of possible downsides was presented at all, just a snide dismissal that "anyone who has tangled with the anti-fluoride campaign will realise that lithium lobbyists will have a long, hard road to travel."