@TheEconomist: Cold-water swimming is surging in popularity. What makes taking the plunge so good for the mind and body? https://t.co/PifRNcRgWl

@TheEconomist: Cold-water swimming is surging in popularity. What makes taking the plunge so good for the mind and body? https://t.co/PifRNcRgWl

Cold-water swimming is surging in popularity. What makes taking the plunge so good for the mind and body? pic.twitter.com/PifRNcRgWl — The Economist (@TheEconomist) January 6, 2019 from http://twitter.com/TheEconomist via IFTTT passing through @greengroundit by Livio Acerbo @lacer2k