First discovered by this Scottish woman being able to detect the smell herself https://www.theguardian.com/society/2022/sep/07/woman-who-can-smell-parkinsons-he

First discovered by this Scottish woman being able to detect the smell herself https://www.theguardian.com/society/2022/sep/07/woman-who-can-smell-parkinsons-helps-scientists-develop-test https://www.theguardian.com/society/2022/sep/07/woman-who-ca...