Health Fusion: Tips from a chef on how to use, sharpen and store knives safely A sharp knife is a safe knife. You can prevent hand injuries in the kitchen if your knives are in good shape and you use proper chopping technique. In this episode of NewsMD's podcast, "Health Fusion," a healthy living executive chef joins Viv Williams for a knife tutorial. 7:00 pm, Jul. 20, 2021 A while back, I had a little incident with a chef's knife. I was moving too quickly while chopping lettuce with a dull blade and bad technique. My husband and I can laugh about it now, but at the time the future of the index finger on my left hand was in question.