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Back in 2013 when I finally made the full switch away from cigarettes and into vaping, one of the main benefits was my increase on water consumption. Vaping is naturally dehydrating (the propylene glycol in the liquid). Drinking about 2.5L or so per day really cut down on what I felt was a need to eat several times per day, like @pitaj said.

Fasting is also fantastic. Its one of the few positive habits I have left over from my days in religion. The garbage collection analogy is an excellent way to describe it.

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