Heather Wiseman was diagnosed with type 1 diabetes at age 3. She recalls her mother chasing her to give her insulin injections which she hated as a child. As a teenager, she took pride in learning to inject herself. She struggled with team sports due to low blood sugars. An ad for a wilderness expedition appealed to her adventurous spirit. She has since climbed El Capitan and led expeditions across difficult terrains, motivated to push her physical limits. David Barnes kept his type 1 diabetes a secret for years as he feared sharing his father's fate of diabetes complications. He ended up in a coma after neglecting his health on a climbing trip. Adopting an insulin pump helped manage his blood sugars and depression