India meets performance physiologist Dr Stacy Sims who offers key advice on how best to tailor your eating and exercise routine to certain points of your cycle whether you’re a regular cycling women, experiencing the menopause or on hormonal contraception. They also discuss data bias in the diet and exercise world.

Credits:
Presented by India Rakusen.
Producer: Ellie Sans.
Assistant Producer: Jorja McAndrew.
Executive Producer: Suzy Grant.
Original music composed and performed by Rebekah Reid.
Sound Design by Charlie Brandon-King.

Special thanks to all contributors and audio diarists.

A Listen production for BBC Radio 4 and BBC Sounds.