Body fat is not an inert deposit of energy. It can be seen as a distributed endocrine organ. Body fat cells, or adipocytes, secrete a number...

HDL cholesterol levels are a rough measure of HDL particle quantity in the blood. They actually tell us next to nothing about HDL particle t...

This post has been revised and re-published . The original comments are preserved below.

An interesting study by Clifton and colleagues (1998; full reference and link at the end of this post) looked at whether LDL cholesterol par...

Early hominid ancestors like the Australopithecines (e.g., Lucy ) were likely strict vegetarians. Meat consumption seems to have occurred at...

Calcidiol is a pre-hormone that is produced based on vitamin D3 in the liver. Blood concentration of calcidiol is considered to be a reliabl...

Since my recent post on problems related to vitamin D deficiency and excess I received several questions. I have also participated in sever...