| UPDATED: 15:55, Mon, Mar 8, 2021 Link copied Sign up for FREE health tips to live a long and happy life SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. Arthritis is a very common condition that causes joints to become inflamed and painful, and it can affect people of all ages. But there are some key symptoms that everyone should be looking out for.