If you don't drink alcohol all that often (I hope so), you're probably not well-versed in the shelf lives of various alcohols.
Maybe there are a couple of bottles of beer that sit in the pantry for a couple of months now. Or you've opened a whiskey bottle you got for your birthday and never quite finished it.
Now you're wondering if that alcohol is still okay to drink or not, as you're not sure. You don't want to discard it, but at the same time, you don't want to consume anything that might not be safe.
If that sounds familiar, you should find the articles in this category helpful.