Welcome to this episode of The Tonic, terrestrially broadcast on April 4 and 5, 2026 on AM740 and FM 96.7 in Toronto. Topics covered on the show track the lifestyle articles and themes published in The Tonic Newsletter and on the Tonic Website. We'll discuss supplements for an active healthspan with nutraceutical formulator Dr. Gordon Chang PhD, perimenopause and heart health with cardiologist Dr. Nisha D'Mello MD, the top tips to beat sleep loss with neurodesign expert Rachel Melvald, and the physiological impact of stress with health executive Howard Martin.