thank you both for your feedback!
My hair loss was from hypothyroidism. My internal tremors from three different conditions - hypothyroidism, magnesium deficiency, metabolic acidosis (kidney issues). Heart issues with magnesium deficiency, hyperthyroidism/hypothyroidism. Numbness, tingling, permanent nerve damage due to vitamin B12 malabsorption. Also numbness/tingling with hyperthyroidism.
Well I am no doctor but I have similar symptoms, could just be anxiety