Respectful Insolence

Archives for September 29, 2008

Calor. Or: The myth of 98.6° F?

Ever wonder how it was determined that 98.6° F is the “normal” human body temperature? Ever wonder how that number was determined and how accurate it is? The Inveterate Persiflager explains. Not surprisingly, it turns out that “normal” body temperature is more variable and less clear-cut than is commonly thought.

More than two-thirds of breast cancers make the estrogen receptor. What that means is that these tumors have the protein receptor that binds estrogen, which then activates the receptor and causes all the genes that are turned on or off by estrogen to be turned on and off. That’s how estrogen acts on normal breast…