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Sarah Klein

Sarah Klein is a Boston-based health journalist with over 15 years of experience in lifestyle media. She has held positions at LIVESTRONG.com, Health.com, Prevention, and The Huffington Post. She is a graduate of the Arthur L. Carter Journalism Institute at New York University, and a National Academy of Sports Medicine certified personal trainer.

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Sarah Klein's Articles (55)

A man taking a rest day from exercise and doing some gentle stretches at home on a workout mat.

Health

Quick Question: Are You Taking Enough Workout Rest Days Each Week?

Woman wiping her sweat with a towel while doing a difficult REHIT training protocol workout

Cardio

Short On Time But Want to Boost Your VO2 Max? Try REHIT

A middle-aged man performing a squat exercise while following a guided workout at home.

Health

How Exercise Improves Bone Density—and Why That’s So Important

Overhead shot of runners racing a half marathon and preparing for post-half marathon recovery.

Marathon + Racing

What to Do After a Half Marathon for a Smooth Recovery

Young woman doing a HIIT workout on a Peloton Bike at the gym

Cardio

Peloton's Ultimate Guide to HIIT Workouts

A man doing single-arm bicep curls with a dumbbell at home.

Strength Train

What Are ‘Newbie Gains’ In Strength Training and How Long Do They Last?