The Fat-Burning Effects of HIIT Workouts Are Exaggerated
Here’s a closer look at the science on cardio and weight loss and what it all means for you.
How to Start Working Out When You Have Anxiety
The gym is an anxious person's nightmare.
K. Aleisha Fetters
Being Sore After a Workout Doesn't Mean Your Muscles Are Growing
There’s very little evidence to show that being sore indicates muscle damage or faster muscle growth, or that a lack of soreness means that your workout wasn’t effective.
Lifting Weights Has a Surprising Effect on Mental Health
In a new paper, researchers took a closer look at the connection between depression, anxiety, and working out.
The Complicated Relationship Between Testosterone and Muscle Growth
It's not the levels of testosterone that men have that matters, but rather how sensitive they are to the hormone.
Does Exercising Before Breakfast Help You Burn More Fat?
Critics like to say that fasted cardio is a catabolic menace that will strip away the muscle you’ve worked so hard to build.
How to Actually Stop Slouching All the Time
These core strengthening moves will go a long way towards fixing your bad posture.
K. Aleisha Fetters
A Beginner's Guide to Intermittent Fasting
A personal trainer with more than 20 years of experience on the diet explains the pros and cons.
This Is How Running and Cycling Affect the Way Your Body Builds Muscle
How much cardio should you do when you're trying to get stronger?
Our Ancient Ancestors Would Crush Us in a Fitness Competition
We’ve evolved into a bunch of out of shape weaklings.
This Is the Effect Working Out Has on Your Bones
How active you are as a kid affects your bones forever.
We Looked Into Whether Having Sex Affects Your Athletic Performance
Some coaches tell their athletes to avoid having sex before a big game.
Justin Lehmiller, PhD