BRIAN ALEXANDER

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A jolt to the penis may cure impotence

In case you had any doubts — and how could you after all those football-through-the-tire, middle-aged-men-channeling-Elvis, kitchens-turning-into-rainforests commercials — men value their erections.

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Prostate cancer test: More 'discomfort' not knowing?

When it comes to your prostate, is it really better not to know?

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Stem cells created from cloned human embryos

Scientists for the first time have derived thriving colonies of embryonic stem cells from human embryos created using cloning technology.

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Cancer spike in men tied to HPV from oral sex

A huge spike in the number of head and neck cancers linked to HPV over nearly two decades is raising alarms about the risk of the sexually contracted infections in a whole new population: men.

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Guys may have weaker immune response

As any woman who lives with a man can tell you, she’d almost rather get the flu herself than have him get it — not out of any tender altruism, but because she knows what a big baby he’ll be.

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Yellow eyelid blobs hint at hidden heart disease

We’ve all seen a few people, like maybe grandpa or grandma, with those little patches of yellowish plaques around the upper and lower eyelids. You know the ones, the tiny patches that look something like chicken fat. (Click to see what we're talking about.)As it turns out, if somebody you know has these (and it can occur in younger people, too), you should encourage them to be checked carefully for heart disease. A study published in the most recent British Medical Journal found that these patches, called xanthelasma, were predictors of heart attack, heart disease and death.

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Testosterone takes a big dip in new dads

Fathers may no longer have the excuse that they aren’t born for child care. Actually, they’re designed for it, according to a new study that finds a significant drop in testosterone levels in new dads, suggesting that men may be wired to nurture.

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Husband must pay up for sexless marriage. Is that a win?

It sounds like the opening line of a joke: French wife sues her ex-husband over his refusal to, uh, perform during their marriage. But the widely publicized lack-of-passion lawsuit raises the question: How much is marital sex worth?

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Inner body bullies: Women who can't take a compliment

I recently approached a woman in my local gym, admiring her turn at the weight machines. "Wow, you are really strong," I said. "That's an awesome amount of weight." She looked at me blankly. "What's wrong with it?"

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Is Jim Carrey having a midlife crisis -- or just creepy?

Jim Carrey’s to 22-year-old actress Emma Stone has caused an Internet sensation, mostly because it's assumed that the 49-year-old grandfather is having a very public midlife crisis. The collective verdict of his adoring confession of love to the "Crazy, Stupid, Love" star: Creepy.

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Spouses make each other behave badly, study says

As any single person with married friends can testify, their constant patter about how great marriage is for just about everything (Your heart! Your mood! !) can be a little annoying. Research supports those pitying glances they shoot in your direction when you defend your singleness; long-term committed relationships like marriage really are good for your health. But, still.

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Who is going to church? Not who you think

Who is filling the pews in American churches? It is increasingly likely that they won’t be working class white people, according to new research.

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Macho men more likely to die in an accident

People do stupid things all the time and they do them in all geographic regions, but as any regular viewer of Comedy Central’s "Tosh 2.0" can tell you, there does seem to be an uncanny correlation between certain regions of the country and the kind of risk-taking behavior that could get you seriously hurt or even killed.

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First vampire bat bite death in U.S. reported

The United States has now recorded its first death from a vampire bat bite, according to the .

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The rich are different — and not in a good way

Psychologist and social scientist Dacher Keltner says the rich really are different, and not in a good way: Their life experience makes them less empathetic, less altruistic, and generally more selfish.

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No girls allowed? Testosterone zone makes sense

A man needs a little guy-on-guy interaction without his woman interfering if he wants to perform well with her in the sack.

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Hef's '2-second' sex? An unlikely issue at 85

Say it ain’t so, Hef!

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Bad bug: Gonorrhea strain resists all drugs

For several years, public health officials have been concerned that gonorrhea, one of the most prevalent STDs in the world, to the last widely available antibiotics used to treat it, a class of drugs called cephalosporins.

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STD campaign asks lovers to give out meds

Should doctors be allowed to give pills to patients they’ve never seen, whose names they don't know, for a disease somebody may or may not have?

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Brace yourself for the summer of 'sluts'

The summer of sluts was kicked off this week when msnbc cable host Ed Schultz, perhaps channeling Dan Aykroyd in his old "Saturday Night Live" debates with Jane Curtin (“Jane, you ignorant slut!”) called conservative radio personality Laura Ingraham  a . Schultz apologized, but was suspended from his cable show for a week.

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Power, not gender, makes people more likely to cheat

Arnold Schwarzenegger (or, more accurately, a lust child) and the head of the International Monetary Fund, Dominique Strauss-Kahn, is now sitting in a Rikers Island cell a hotel maid and has admitted to at least one past affair.

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Race a factor in STD testing of young women

When young women visit the emergency room complaining of symptoms that mirror those of a sexually transmitted disease, many aren't tested for a possible infection — unless the young woman happens to be African-American, that is, provocative new research shows.

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At-home STD tests private — but wrong?

It’s the subject no one wants to discuss: sexually transmitted diseases. And even fewer want to have an in-depth conversation with their doctor or nurse about them.

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Guys, man up: HPV is a male responsibility

The human papillomavirus is a man's issue.

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Latin lovers? Frigid Brits? Mythbusting sexy stereotypes

The French, of all people, seem to be having troubles in the bedroom.

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