Are you citing this poll [0] for the healthcare questions because if so, I'm not sure how relevant that is. I'd bet a lot of money those support numbers drop once you throw in the nitty gritty details that actual legislation requires such as how you plan on paying for a X trillion dollar per year spending bill.
* Medicare for all: 55% support, 32% oppose.
* Civil asset forfeiture: 16% support, 86% oppose.