Archive Yearly Archives: 2016

Social Dominance Increases Testosterone

Testosterone and social dominance Testosterone, the hormone primarily responsible for male sex characteristics, is known to increase social dominance and aggressiveness in animals, including man. In turn,

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Interview with Aaron Grossman, M.D.

I recently did an interview/podcast with Aaron Grossman, M.D. We discussed iron, body composition, and even Schopenhauer. You can download an MP3 podcast version at Dr. Grossman’s site. Or

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Strength Training Nonsense

A reader recently told me that he was following this weight-training routine: The Best Damn Workout Plan For Natural Lifters. The routine, while it gets some things right, is all but unsupported by scientific

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Low-Carbohydrate Diet for Workouts and Fat Loss

One of the doubts many people have about low-carbohydrate diets is how they affect athletic performance. Sure, you want to lose fat, but what if they make your athletic performance suffer? If you can’t

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Belly Fat Promotes Aging

Not all body fat is created equal. Fat that accumulates beneath the skin, subcutaneous fat, is much less harmful to health — conceivably not harmful at all — than fat around the midsection

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Body Fat Is More Important Than Body Mass Index

The obesity epidemic may be much worse than even the dismal statistics describe. Body mass index under-measures obesity; body fat is more important than body mass index. Among white men over the age of

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Natural Testosterone Boosters

Anastrozole (Arimidex) is a prescription aromatase inhibitor and testosterone booster which requires a doctor’s prescription; getting a prescription can be inconvenient, especially considering most

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Do Antidepressants and Other Psychiatric Drugs Kill a Half Million People a Year?

Executive Summary Antidepressant use is very high An anti-psychotic drug, Abilify, is the number one best-selling drug (by revenue) in the US People who take psychiatric drugs have much higher death rates Psychiatric

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Once A Week Workouts Are As Good As Three

How often should you lift weights to get good muscle growth? What’s the optimal frequency of workouts? While many fitness writers and bodybuilding websites say you should get to the gym many times

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New Young Blood Study Implicates Iron in Aging

Executive Summary Surgically joining the circulatory systems of a young and an old mouse may rejuvenate the old mouse A new study finds that benefit to the older mouse are much smaller than harm to the

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Calorie Restriction and Intermittent Fasting: Is There Any Difference?

Calorie restriction is the most robust life-extension intervention known. (Full text.) Animals that have their food severely restricted can live much longer — 50% or more longer — than fully

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Cholesterol vs Blood Sugar in Heart Disease

Is Cholesterol Associated with Heart Disease? If older people with higher cholesterol live longer, then it seems unlikely that high cholesterol causes heart disease. Adding to the evidence, or lack of

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Weight Training and Extra Protein Build Muscle During Fat Loss

In a previous article I discussed how a group of overweight Boston Cops lost fat and gained muscle at the same time. Another study has done something similar and showed how to lose fat and gain muscle

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Getting Lean and Muscular Transforms Your Mindset

Does being in good health and good shape affect thought processes or your mental outlook? Does getting lean and muscular transform your mindset? I recently made the following assertion on Twitter: Get

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Guest Post: How to Stop Doubting Yourself

This is a guest post by Jennifer Landis, who writes at Mindfulness Mama, and on Twitter. Jennifer approached me about doing a guest post and I discovered that she indeed has interesting things to say. It

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Atrial Fibrillation and Iron

Atrial fibrillation is an irregular heart beat that involves the fluttering of the heart’s upper chambers (atria). It can lead to blood clots, stroke, and heart failure. Several million Americans

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