There are a lot of myths and misconceptions about the effect that diet can have on osteoarthritis. Some people believe that certain acidic fruits like lemons and oranges, or nightshade vegetables like potatoes, can cause the symptoms of osteoarthritis to become worse. There has also been a popular belief that meat or dairy products can worsen the symptoms of osteoarthritis.
However, none of these claims have been based on any scientific evidence and avoiding things like dairy products can actually be really risky for people with osteoarthritis. The calcium in diary is very important for maintaining strong healthy bones and as a result, avoiding dairy can lead to osteoporosis later in life.