Bath salts can trigger powerful cravings and can lead to binges lasting multiple days. Effects from a single dose can last from 3 hours to as long as 8 hours, depending on how much the user ingests.

Naturally, salt-water baths are part of the hotel's spa experience. ... The world’s largest salt flat, Salar de Uyuni in Bolivia, stretches over 4,000 square miles Credit: Getty. 10.