Guide

Improving insulin sensitivity comes from steady activity, weight loss when needed, higher-fiber meals, solid sleep, and a plan with your clinician.

A calorie deficit is your daily calorie burn minus your daily calorie intake, measured over time so the average trend points down.

Create a small calorie deficit, lift weights, eat protein at each meal, sleep enough, and judge progress by weekly averages.

BMI often rises as body fat rises, but the match shifts with muscle, age, sex, and where fat sits on the body.

A1C reflects your 2–3 month glucose average, while meter or CGM readings show short-term swings, so the match is close but not one-to-one.

Bigger bodies usually burn more calories at rest, yet lean mass, organs, and hormones decide how large that gap really is.

Your gut microbes, nerves, and immune signals can shape mood, stress response, and sleep, and long-term stress can also disrupt digestion.

Low vitamin D status links with worse COVID-19 outcomes in many studies, yet supplement trials show mixed results and no sure cure.

Probiotics can pair with steroid treatment, yet immune status, dose, and product choice decide if they’re a smart add-on.

Long-term steroid medicine can push vitamin D levels down by shifting how your body processes it, plus changing appetite, digestion, and sun time.