David | A Lean Life

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David Williams

Lead Fitness and Nutrition Writer

A diet and fitness enthusiast, David Williams is an ex-Army Airborne Ranger and Infantry soldier with decades of fitness and wellness experience. A West Point graduate with a degree in engineering, he focuses on technical research related to fitness, nutrition, and wellness.

A natural endomorph (higher body fat), he has experimented with many diets and juice plans over the years, so his opinions and positions are rooted in real world experience, not just theory.

He loves the beach, and spending time with his wife and twin daughters.

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Posts by David Williams

best juicer for celery
Juicing
David Williams

Best Juicer For Celery

If you’re interested in making nutritious fruit and veggie juices at home, you’ve probably thought about celery. This veggie is jam-packed with essential nutrients, tastes

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What is Body Fat?
Body Wellness
David Williams

What Is Body Fat?

You’ve heard the term a thousand times before, but you can’t help wonder, “What is body fat?” There is so much information out there, so

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What Do Push Ups Work?
Bodyweight Exercise
David Williams

What Do Push Ups Work?

Have you ever wondered what do push ups work? After all, this is a trendy exercise, and countless people today recommend doing it. But why?

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Treadmill Speed to mph
Cardiovascular Workouts
David Williams

Treadmill Speed to mph

Converting treadmill speed to mph is easier than you think.  The reason? On most modern treadmills, the treadmill speed setting is the miles per hour

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Healthiest Quinoa
Superfoods
David Williams

Healthiest Quinoa

What is the healthiest quinoa? And is quinoa really a superfood? Perhaps you want to add more healthy foods to the mix, so you’re thinking

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What's a HIIT Workout
High Intensity
David Williams

What’s a HIIT Workout?

Have you ever asked yourself, “What’s a HIIT workout?” Perhaps you’ve come across the popular acronym and have some idea of what it stands for.

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Tricep Dips at Home
Home Workout Routines
David Williams

Tricep Dips at Home

Are you looking for a simple and effective way to do tricep dips at home? Maybe you’ve tried them before but couldn’t find a good

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Best Quad Stretches
Stretching Routine
David Williams

Best Quad Stretches

Knowing the best quad stretches is vital to your upper leg health. And performing these stretches on a routine basis will not only keep your

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Steady State Cardio
Low Intensity
David Williams

Steady State Cardio

Steady state cardio has a place in everyone’s fitness routine, even the top pros! In today’s fast-paced world where our schedules are always full, the

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