So I've had my Venu for just over a year now and my body battery stays on average somewhere between 50 and 75 (first reading was at 51)...rarely goes above 75 and more frequently drops below 40. I easily get my 150 minutes of moderate to vigorous exercise and my VO2max is in the top 20% for my age and gender. My husband recently got a Forerunner745 and his body battery is above 90 each morning. Why does mine never recover to a higher level? I have MS - could that have something to do with it?