Functional human eggs have been generated using human skin cells in a breakthrough study. What impact could this have on couples with fertility issues? BBC Health Correspondent James Gallagher explains.

How long covid is affecting menstrual cycles. Dr Jackie Maybin, Reader and Consultant Gynaecologist at the Centre for Reproductive Health at the University of Edinburgh and NHS Lothian explains her findings.

With a rising trend of parents using unprescribed melatonin to help their children sleep, we examine the risks.

G6PD deficiency affects more than 400 million people worldwide, but new research led by the University of Exeter in the UK reveals that it distorts the standard diagnostic test for diabetes. As a result, potential cases are missed. We ask what can be done to address this issue.

And a new eye drop that’s been improving presbyopia, an ocular condition that often occurs as we age, causing long-sightedness.

Presenter: Claudia Hammond Producer: Hannah Robins Assistant Producer: Alice McKee