Foraging in the wild for food or water can have deadly consequences. For example, McCandless ate the wrong kind of berries.[0] Or the time when three campers sc

Foraging in the wild for food or water can have deadly consequences. For example, McCandless ate the wrong kind of berries.[0] Or the time when three campers scooped up more than just water in their coffee pot.[1] And don't underestimate the effects of Giardia.[2] That ubiquitous parasite could easily weaken and lead to the demise of a solo-hiker. [0]https://www.newyorker.com/books/page-turner/how-chris-mccandless-died https://www.newyorker.com/books/page-turner/how-chris-mccand... [1]http://www.realclear.com/discovery/2014/06/27/tiny_newt_poisoned_three_unsuspecting_campers_7640.html http://www.realclear.com/discovery/2014/06/27/tiny_newt_pois... [2]https://www.cdc.gov/parasites/giardia/index.html https://www.cdc.gov/parasites/giardia/index.html