Avalon

https://en.wikipedia.org/wiki/Avalon

You may be thinking of charcoal. Coal is a mineral that is mined and is a fossil fuel.

Yes, my grandparents had a potbelly stove that they used for heat. A coal tripple was about a quarter of a mile from our house and we could walk down the railroad tracks and collect a bucket full.

Immuno blockers suck. My mom has an autoimmune disorder and has been on them for decades to control it. They’re better than not being able to control her disorder of course but every minor bug that goes around is a serious issue for her. Glad this round went well for your family.

Water is best but unsweetened tea has a nicer flavor and the only thing I can find that makes it worse than water from a health standpoint is the caffeine.