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.