Not every bleeding episode is cancer, but any unexplained rectal bleeding, especially in people over age 45 (or earlier with risk factors), should prompt evaluation
Treschan TA, Peters J (2006) The vasopressin system: physiology and clinical strategies
Anthem typically follows FDA label criteria: BMI 30 (obesity) or BMI 27 with at least one weight-related comorbidity such as type 2 diabetes, hypertension (high blood pressure), high cholesterol, or obstructive sleep apnea
The brain, sensing a drop in blood pressure and oxygen, initiates a "fight or flight" surge of adrenaline and norepinephrine, which causes the rapid, pounding heart rate (tachycardia), severe lightheadedness, and physical tremors associated with orthostatic intolerance