New research from The Lancet Diabetes & Endocrinology journal shows current body mass index [BMI] guidance is outdated and dangerous for people from different ethnic groups. The study’s principal investigator, Dr Rishi Caleyachetty unpicks the global implications of his findings.

Maria Rebollo Polo – WHO lead for Neglected Tropical Diseases in Africa – explains the important task of mapping NTDs like Trachoma.

Plus Khadidiatou Cisse reports from Benin on Trachoma – one of the oldest known infections and a leading cause of preventable blindness worldwide.

And, have our memories really got worse during the pandemic? Professor Catherine Loveday of Westminster University discusses her new research on our memories during lockdown.

Guest: Dr Ann Robinson

Presenter: Claudia Hammond

(Picture: Female doctor weighing senior patient at medical clinic. Photo credit: Jose Luis Pelaez/Getty Images.)