I used to, almost religiously, but I gradually became disenchanted with the constant casual racism, sexism, and homophobia and largely stopped visiting.
Yes, it's very nice. As someone else said, there is lots of homophobia, racism and sexism, but if you visit smaller subreddits, they're usually very nice. I recommend /r/books, /r/skincareaddiction and /r/malefashionadvice