When one friend is habitually the payer, others may feel grateful, indebted, infantilized, or even relieved. Over time, the pattern can, intentionally or unintentionally, produce moral leverage. The ...

For years, compulsive behaviors have been viewed as bad habits stuck on autopilot. But new research in rats found the ...

Researchers studying obsessive-compulsive disorder have identified a specific brain signal that appears to precede the onset ...

A decade-long debate seemed settled in June when the World Health Organization officially added “compulsive sexual behavior disorder” to the newest edition of the International Classification of ...

All mice groom themselves to keep their fur clean, but some in a lab in Columbia University, New York, have started grooming to an unusual and excessive degree. This isn’t vanity. Instead, it’s the ...

What is obsessive compulsive disorder? OCD is a condition consisting of obsessions or compulsions, or, more commonly, both. This is nothing to do with addictions to gambling, alcohol, exercise or ...

Though the concept of sex addiction has been a subject of debate for some time, there actually hasn't been an official diagnosis that addresses problematic sexual behavior—until now. “This is the ...