Peter Fedichev, Evelyne Bischof, and Dylan Livingston: three of Business Insider's Rising Stars of Longevity. Coursey of Peter Fedichev, Evelyne Bischof, and Dylan Livingston; Alyssa Powell/BI Healthy aging is a hot topic, and experts wish people would stop doing three things. Avoid taking any supplements or drugs that have not been rigorously studied in humans, they said. Don't wait to build healthy habits, like exercising regularly. From supplement and peptide stacks to hourslong morning routines, it can be tricky to decipher which longevity trends actually work. (Spoiler: these probably don't). To help separate fact from fiction, we asked Business Insider's Rising Stars of Longevity — doctors, scientists, and investors dedicated to understanding aging — what they wish people would stop doing in the hope of optimizing their health. Their answers reiterate that tried-and-true health habits are most important for boosting our healthspan. Think: daily movement, a good night's sleep, and eating whole foods.…