Gillian
Hi Valerie – Why don’t you take a look at what top London cardiologist Dr Aseem Malhotra (Honorary Consultant Cardiologist) says about this: https://www.youtube.com/watch?v=-TxvkRzFMi8&t=1233s
This video is about 30 minutes, but if you’re pushed for time just skip the first 15 minutes. He’s done quite a few talks available on YouTube so anyone can search for his name on that site.