Did you know...

Did you know that members of some Nigerian communities eat "calabash chalk," a type of mineral native to Africa made up primarily of fossilized seashells? In particular calabash chalk has been known to relieve morning sickness in pregnant women.

Find out more by reading "Effect of Calabash Chalk on the Histomorphology of the Gastro-Oesophageal Tract of Growing Wistar Rats" in the Malaysian Journal of Medical Sciences, vol. 19, issue 1.