LOL
You do realise we existed as a species before 1920 yeah?
Fuck me, 24hrs without food and we need medical attention? Thank God there was 1 doctor for every person during the depression to manage their body during their fasts...... 
LOL...comparing starvation because of famine to voluntary, frequent, long water fasts for health benefits.
Oh yeah, I forgot that during the great depression people stopped eating and as a result they all got healthier, stronger, more energetic, mentally sharper, and malnourished kids got taller. None of them got seriously ill, or died due to starvation. My bad.

Medical supervision during voluntary, frequent, long water fasts for health benefits may not be necessary for some individuals, but it's advisable for early detection and treatment of anemia, weakened immune system, liver and kidney problems, irregular heartbeat, vitamin and mineral deficiencies, muscle breakdown, and many other complications.