The main cause of weight gain is lack of physical activity and not decreased metabolism. Therefore in order to lose weight, we need to increase our physical activity. Just Keep Moving!
The most advanced diabetes management tool is Continuous Blood Sugar Monitoring or CGM. Having several blood sugar readings with detailed reporting and no finger pricks is life-changing.
A racing heart is always reason to be concerned. There are life threatening as well as minor causes. The feeling of your heart racing called palpitations is never pleasant. A rate above 100 beats per min at rest is too high.