This BBC documentary examines Instagram's damaging effect on its users, exploring posts' influence on our psyche and the addictive nature of the app's algorithms.

Instagram boasts more than a billion users. It has shaped cultures, trends, and the world in which we live in in many different ways.

However, the app's impact is under scrutiny by various governments as they bring in regulations for social media.

Without regulations, the algorithms that have turned the app into a ludicrously profitable behemoth, which will continue to cause harm, particularly to younger people.

The Instagram Effect is a documentary featuring interviews with former Instagram and Facebook employees.

Although many former employees speak candidly about the company, three British Instagram users' testimonies depict the pitfalls of the app.

Each of them has had negative experiences with Instagram, developing eating disorders, self-harming, and undergoing dangerous cosmetic surgery procedures.