By Johns Hopkins University Health.  We live in anxious times. But while a little bit of worry can be a good thing — it can steer us away from taking unreasonable risks, for instance — free-floating anxiety can be paralyzing, unproductive, and self-defeating. If you think that you, or someone you love, has an anxiety disorder, then therapy or medication may be in order. But even if you’re receiving treatment, or if you’re bedeviled by garden-variety over-worrying that doesn’t warrant treatment, the following tips may help.