Medically reviewed by Jonathan Purtell, RDN Key Takeaways Acidic foods and beverages such as citrus fruits, tomatoes, coffee, and fruit drinks may worsen symptoms for people with conditions like acid ...

While the story describes an actual issue of concern (more on that below), the headline helps promote a widely-held, but false belief. The oceans aren’t actually acidic. They are alkaline, or basic.

A food with a pH below 4.6 is high in acid. This includes many citrus fruits, plums, grapes, pomegranates, and several other fruits. Tomatoes, which are technically a fruit, are also acidic. Defining ...

Some researchers have claimed in the past that acidic foods are harmful to health. As a result, many people have chosen to avoid or eliminate acidic foods from their diet. The following article ...