Stress Hormones and Diet: Cortisol

Cortisol is probably the most well known of the hormones associated with stress. It’s been said that when cortisol is elevated you are by definition experiencing stress. Like all hormones, it can be good or bad depending on the context. Without getting into that context let’s look at how what you eat affects cortisol: Continue reading


Blood Viscosity and Health

Viscosity is the resistance of a liquid to movement. Think water versus honey, honey being very viscous. Turns out a number of things can make the blood flowing through our bodies more or less viscous.

Some possible causes of increased blood viscosity are dehydration [1], psychological stress [2], cold temperatures [3][4], heat stroke [5], increased hematocrit (serum red blood cell) levels [6], hyperglycemia [7], increased triglycerides and chylomicrons in the blood [8], and perhaps exposure to air pollution [9] and tobacco smoke [10]. Continue reading