Almost monthly, new research confirms that food can cause drug-like brain changes. Food and sex are known as "natural reinforcers." That is, they aren't drugs, but our brains light up for them so we reach for more without thinking.

Still, the concept that food can cause obesity because it is...

"I like the idea of karezza (making love without the goal of orgasm)," explained a 28-year old friend, "but I'm not married yet ... and I'm certainly not going to live without sex!" I asked her how she proposed to explain the concept to her 20-something peers, and...

Want to use your relationship to de-stress? Try something playful and totally unfamiliar: three weeks of brief, daily bonding behaviors.

Humans are pair bonders. That means an ancient region of our brain is wired slightly differently from the 97 percent of mammal species who don't pair bond. We're built to...

Before you reach for those little blue pills, try cutting out porn. Your lover will thank you.

Through a fluke of fate, I have been learning more than I ever wanted to know about the subject of porn use... and recovery. A few years ago a guy...

Not long ago, a Canadian research team discovered something surprising: In the recipe for great sex, orgasm is optional. Said the head researcher, "There is plenty of evidence that most people believe that the secret to sexual fulfillment is technical, that it's about better manual and oral stimulation...

"By Jove, it's the reward circuitry!"

A dedicated member of the "to each his own taste" club, I'm all for freedom of speech. However, my website happens to discuss the highs and lows of sexual satiety in terms of the highs and lows of the typical addiction cycle. To...

As my husband and I stroked a live alligator resting calmly on a trainer's lap at a fair, I asked the guy why it was so tame. "I pet it daily. If I didn't, it would quickly be wild again, and wouldn't allow this," he explained.

Only months earlier...

Ever fall in love with total abandon, experience mind-boggling sex, been sure you wanted to stay together forever -- and then notice recurring emotional friction arising? Does one of you sometimes becomes clingy or demanding while the other feels devoured and needs "space?"

This misery isn't necessarily due to bad...

The first Daoist book I read on cultivating sexual energy rang a profound bell. Sure, there was the niggling emphasis on avoiding orgasm and making love in a relaxed way (huh?), but at the same time the descriptions of effortless merging sounded so right. I wanted to learn more.

There's nothing new about hooking up. As a sexual-revolutionary, I practically lived on the Relationship Roller Coaster. Little did I know that biology was arranging every ride. Like many, I believed I just hadn't found "Mr. Right," even after I married and divorced. As it turned out, the issue wasn't...