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Growth hormone may rise 300 percent with exercise: Acute increases also occur in cortisol, adrenaline, and noradrenaline

adrenaline, cortisol, endurance exercise, glycogen depletion, growth hormone, noradrenaline, research, resistance exercise

The figure below (click to enlarge) is from the outstanding book Physiology of sport and exercise , by Jack H. Wilmore, David L. Costill, an...

How much protein does one need to be in nitrogen balance?

endurance exercise, muscle gain, muscle loss, nitrogen balance, protein, research

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

Interview with Jimmy Moore, and basics of intima-media thickness and plaque tests

arterial stiffness, cholesterol, intima-media thickness, Jimmy Moore, LDL, my experience, research, VAP test

Let me start this post by telling you that my interview with Jimmy Moore is coming up in about a week . Jimmy and I talk about evolution, st...

Postprandial glucose levels, HbA1c, and arterial stiffness: Compared to glucose, lipids are not even on the radar screen

arterial stiffness, cardiovascular disease, cholesterol, diabetes, glucose, HbA1c, HDL, LDL, lipids, research

Postprandial glucose levels are the levels of blood glucose after meals. In Western urban environments, the main contributors to elevated po...

Large LDL and small HDL particles: The best combination

cardiovascular disease, cholesterol, chylomicron, HDL, LDL, research, saturated fat, VLDL

High-density lipoprotein (HDL) is one of the five main types of lipoproteins found in circulation, together with very low-density lipoprotei...

Growth hormone: The fountain of youth

growth hormone, metabolic syndrome, research

Growth hormone, also known as human growth hormone, seems to be implicated in a number of metabolic conditions associated with aging, and, m...

Intermittent fasting, engineered foods, leptin, and ghrelin

evolution, ghrelin, intermittent fasting, leptin, obesity, research

Engineered foods are designed by smart people, and the goal is not usually to make you healthy; the goal is to sell as many units as possibl...

Half-hearted Atkins diet and cardiovascular disease

Atkins, cardiovascular disease, HDL, LDL, low carb, research

I would like to comment on a recent article comparing the Atkins, Ornish and South Beach diets (Miller et al., 2009; full reference at t...

The China Study II: Wheat may not be so bad if you eat 221 g or more of animal food daily

China Study, longevity, research, statistics, warppls

In previous posts on this blog covering the China Study II data we’ve looked at the competing effects of various foods, including wheat and ...

Atheism is a recent Neolithic invention: Ancestral humans were spiritual people

cave painting, evolution, religion, research, spirituality

For the sake of simplicity, this post treats “atheism” as synonymous with “non-spiritualism”. Technically, one can be spiritual and not beli...

Cheese’s vitamin K2 content, pasteurization, and beneficial enzymes: Comments by Jack C.

cheese, pasteurization, research, vitamin K2

The text below is all from commenter Jack C.’s notes on this post summarizing research on cheese. My additions are within “[ ]”. While the ...

Total cholesterol and cardiovascular disease: A U-curve relationship

cardiovascular disease, cholesterol, J curve, research, U curve

The hypothesis that blood cholesterol levels are positively correlated with heart disease (the lipid hypothesis) dates back to Rudolph Virch...

Cheese consumption, visceral fat, and adiponectin levels

adiponectin, body fat, cheese, metabolic syndrome, research, visceral fat

Several bacteria feed on lactose, the sugar found in milk, producing cheese for us as a byproduct of their feeding. This is why traditionall...

The Friedewald and Iranian equations: Fasting triglycerides can seriously distort calculated LDL

Friedewald LDL equation, Iranian LDL equation, LDL, research, triglyceride, VAP test

This post is a revised version of a previous post . The original post has been or will be deleted, with the comments preserved. Typically th...

Intermittent fasting as a form of liberation

diseases of civilization, evolution, hunter-gatherer, intermittent fasting, research

I have been doing a lot of reading over the years on isolated hunter-gatherer populations; see three references at the end of this post, all...

What is a reasonable vitamin D level?

kidney stones, metabolic syndrome, nutrition, research, stress, vitamin D

The figure and table below are from Vieth (1999); one of the most widely cited articles on vitamin D. The figure shows the gradual increase ...

Is heavy physical activity a major trigger of death by sudden cardiac arrest? Not in Oregon

cardiovascular disease, endurance running, Oregon Sudden Unexpected Death Study, research, stress, sudden cardiac arrest

The idea that heavy physical activity is a main trigger of heart attacks is widespread. Often endurance running and cardio-type activities a...