100-150g carbohydrates is still quite low. You will certainly see improved heart disease markers. But it's not only going to be from the reduction in carbs. Don't forget you need to eat the healthy saturated animal fats as well. It's a packaged deal, really, and the biggest mistake you can make is to think you can get a double-whammy if you reduce both fats and carbohydrates. That will result in disaster.
Female, 5'3", 49, Starting weight: 163lbs. Current weight: 135 (more or less).
Starting squat: 45lbs. Current squat: 175 x 3. Current Deadlift: 225 x 3