The phenomenon of cracking joints: what is the cause?

Many people are familiar with the phenomenon: a joint that sounds like a cracker. This often happens with the hands, knees or neck. Although the sound can sometimes be alarming, there is no direct cause for concern according to National Geographic. Nevertheless, there are various theories about the cause.
A popular explanation is that small gas bubbles in the joint fluid burst during movement, producing the characteristic sound. According to the source, this would not cause any damage. Some studies suggest that repeatedly cracking joints may become a habit, but has no adverse effects on health.
However, the source advises avoiding excessive joint cracking, as this can lead to discomfort or even limited mobility in rare cases. Those who are concerned should consult a doctor.
This post is a summary based on the mentioned source and is not medical advice. Always consult a doctor or pharmacist if you have any complaints.