[dennis_jeeves1]

I may have a clue: you are most likely to suffer no harm at all. Certainly not as far as sunlight/Vit D goes. ( though windows can be good for things like diluting foul air). Read the works of Prof Trevor Marshall for a lengthy explanation.

Curiosity: How did you land up in the windowless situation?

[qingcharles]

Jail, sadly. No windows, no fresh air. Took me almost 10 years to get the bond money together to get out. I was only in there because I couldn't get access to my money from inside the jail.

[dennis_jeeves1]

Gosh. I had a look at your other posts. It's terrible what's happened to you.

Since you appear to have seen the underbelly of society you make want to look at my profile and read the link I've put on my profile. It may sound a little predatory when I suggest that you look at my profile, but so be it.