Plain-language articles on insulin timing, carb counting, blood sugar patterns and everyday life with diabetes.https://insulinpal.app/enhttps://insulinpal.app/blog/how-long-does-humalog-last/https://insulinpal.app/blog/how-long-does-humalog-last/Humalog starts working in about 15 minutes and keeps going for 2 to 5 hours. What changes that, and why an opened pen lasts 28 days out of the fridge.Wed, 21 Oct 2026 00:00:00 GMThttps://insulinpal.app/blog/carb-counting-for-beginners/https://insulinpal.app/blog/carb-counting-for-beginners/New to carb counting? What counts as a carb, how to read food labels, what a 15 g carb serving means, and the mistakes beginners make when counting for insulin.Fri, 25 Sep 2026 00:00:00 GMThttps://insulinpal.app/blog/exercise-and-blood-sugar-on-insulin/https://insulinpal.app/blog/exercise-and-blood-sugar-on-insulin/Why exercise can drop or raise blood sugar when you take insulin, how insulin on board affects your risk of a low, and why lows can come hours after exercise.Fri, 25 Sep 2026 00:00:00 GMThttps://insulinpal.app/blog/what-is-a-cgm/https://insulinpal.app/blog/what-is-a-cgm/A continuous glucose monitor (CGM) reads your glucose every few minutes through a small sensor. How it works, how it compares to finger pricks, and time in range.Fri, 25 Sep 2026 00:00:00 GMThttps://insulinpal.app/blog/what-is-insulin-on-board/https://insulinpal.app/blog/what-is-insulin-on-board/Insulin on board (IOB) is the rapid-acting insulin still working in your body. How long it stays active, why it matters, and what insulin stacking is.Fri, 25 Sep 2026 00:00:00 GMThttps://insulinpal.app/blog/why-is-my-blood-sugar-high-in-the-morning/https://insulinpal.app/blog/why-is-my-blood-sugar-high-in-the-morning/Blood sugar high when you wake up? How the dawn phenomenon, the Somogyi effect, insulin wearing off and late meals raise morning glucose, and how to tell them apart.Fri, 25 Sep 2026 00:00:00 GMT