Child proof caps certainly have their place. However, those of us who don't need an extra layer of protection between ourselves and the Tylenol just find them frustrating. Instructables has the fix
In fact, they've demonstrated how to "disable" the three types of childproof tops: "Push down and turn," "Squeeze and turn" and "Press tab and turn." You'll need a thumbtack, a spoon and fingernail clippers, so get out your McGyver kits.
Now, we don't recommend performing these hacks in homes with children. Of course you knew that, but we had to say it anyway.