The Centers for Disease Control and Prevention (CDC) recommends that adults get at least 2 ½ hours of moderate-intensity aerobic activity (like walking) every week or 1 hour 15 minutes of vigorous aerobic activity (like jobbing). CDC. Also recommends that adults work on building strong muscles, too—something for all major muscle groups at least twice...
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Sperm Stories,Part III
In Part I and Part II of Sperm Stories, we talked about some of the factors that can affect sperm quality and quantity. In Part III, we’ll go beyond testing sperm and talk about some interesting stories—good and bad—that have to do with using sperm in the manner nature intended: to create babies.Continue reading
Being Obese in Your 20s Can Cut Your Life Short–by a Lot
We all know that being obese increases your risk of developing all sorts of potentially deadly health conditions, including blood clots, diabetes, heart attacks, strokes, and more. Most people think that those risks might reduce your lifespan by a few years—apparently not enough to shock overweight and obese people into changing their behavior. But new...Continue reading
Stereotypes 101, Part II: Women Prefer Big Men with Deeper Voices (and Men Prefer the Opposite in Women)
Okay, we’ve established that women find men with heavy stubble most attractive and men with full beards as the most masculine and best-suited for fatherhood. Since you’re going to be shaving less, consider spending all that free time working on dropping your voice an octave or two. Turns out that women prefer men with husky,...Continue reading
Sperm Stories, Part I
No one is quite sure why, but over the past few decades, there has been a major decline in the quality of men’s semen (the fluid that contains the sperm) and fertility rates throughout the industrialized world. As you might expect, there’s no shortage of theories, explanations, and proposed solutions. In this article, we’ll look...Continue reading
Stereotypes 101, Part I: Women Prefer Men with Heavy Stubble
If you’re debating whether to grow out that beard (or shave it off, if you have one), put the razor down and back away slowly. A new study has just confirmed that women prefer men with about 10 days worth of stubble over those with light stubble, a clean-shaven face, or a full beard.
Take a Deep Breath… New Tests Diagnose Cancer, Predict Obesity
For years, police departments around the world have been using breathzlizer tests to determine a person’s blood alcohol levels. In the not-too-distant future, your doctor will be using similar breath testing to diagnose cancer and predict obesity.
Money, Tea, Dental Floss, and a Full Head of Hair: Keys to Health?
What do dental floss, a full head of hair, money, and tea have in common? Not much, except that they’re all linked to better health outcomes for men. Here’s a brief overview of some fascinating new research.
Sweet Dreams: Why Sleep Is Critical to Maintaining a Healthy Weight
Sleep deprivation is a terrible thing: It messes with your brain, making you less alert and less able to think clearly. In previous articles on this site, we’ve talked about how not getting about six hours of sleep per night for long periods of time also increases your chances of being overweight. But according to...Continue reading
A Close Shave? Sure, But Not THAT Close
Men have been shaving their faces for hundreds of years. And women have been shaving their legs for just about as long. But over the last decade or so, hairlessness has become a fashion statement for men and women, and both sexes have been shaving (or waxing or trimming) their pubic hair. And all that...Continue reading