Some of the hottest months of the year are here, and people are spending time outside, enjoying the sunshine, producing vitamin D and soaking up the ultraviolet (UV) rays. Practicing sun safety can keep harmful sunburns and other risks away and keep the fun going.

Your joints may feel tight. Your hips might hurt so bad that you can barely walk. Your back may feel so weak that you cannot even sit up straight. If you are experiencing these symptoms, you might have arthritis.

Liver cancer isn't one of the more treatable cancers. That could be changing, though. Scientists have discovered that the common anti-inflammatory drug - Celebrex (celecoxib) - makes liver cancer cells commit suicide. This is just the latest finding showing that Celebrex may be useful in treating a number of different cancers.