Sperm counts have declined 59%. Here's why you should care, even if you're not ready to make babies.
Find out if you have high or low T just by checking out this body part. And no, it's not the part you're thinking about.
Does sleeping in on weekends help you make up for poor weekday sleep? Or does it just make you fatter? Science has taken a look.
Train hard. Eat right. But what else? It's those little things that can add up to major progress. Here's what our experts are doing.
Forget about steroids. Now there are biceps and triceps implants, silicone abs, and even plastic lats and delts. How far can it possibly go? Find out here.
Figure and bikini competitors use them. Celebrities endorse them. But what's really happening to the body when squeems are used? Here's the nasty truth.
Women have whispered about it for years and now science has confirmed its existence. This is fascinating.
From fitness celebrities to reality stars, augmented asses are everywhere. Here's how they do it and how to spot the pretenders.
Is your smartphone making your workout dumb? Or does it make your workout better? Science has some answers.
Not only does this make you eat 385 extra calories a day, it also saps your natural testosterone. Check out the science.
Everything you need to know about training, diet, and supplements to help you keep kicking butt after age 40.
It's an easy trap to fall into, and it can wreck you. Here's how.
Most of what we know about heart health is a big fat, artery-clogging lie. Here's what's true and untrue about taking care of your ticker.
This may hurt your feelings, but it'll also solve your fat loss problem. Step away from your safe space and check it out.
Is sweat really an aphrodisiac? Here's what science has to say.
Stopping hair loss is possible. And you might even be able to grow some back. Here's a sciency look at 12 treatments.
Not many people have it these days. Here's why those who do have an advantage in life.
These foods, workouts, supplements, and drugs will help you live longer and look great doing it. Check out the list.
These manmade and naturally occurring compounds can make you less of a man. Really. Here's where they're hiding.
And that's good news. Here's why the first step to fat loss is taking personal responsibility. Warning: Real talk here.
What hormones, the pill, and scent can teach us about sex, attraction, and having better relationships.
There are people in your life that want to suck out your energy and hold you back. Here's how to spot them and what to do about it.
Forced to sit four or more hours a day? It doesn't matter how much you exercise, it'll still hurt you. Here are 3 practical solutions.
Inadequate sleep reduces insulin sensitivity and makes you fat. Here's why and how to get more restorative sleep.
Your body needs cortisol, but too much will wreck your gains and performance. Here's how to keep it under control.