Jon Cohn peers into insurance price differentials and comes back with a depressing, but unsurprising, finding: Insurers charge women more than they charge men. I'd add to this that studies show the effect is all the more pronounced when you're dealing with health savings accounts and other forms of high-deductible coverage. A Harvard study from a year or so back ran the numbers and found that men under 45 racked up about $500 in yearly, out-of-pocket costs, while women spent closer to $1,200. Dr. Steffie Woolhandler, the lead author of the study, summed up the findings starkly. "When an employer switches all his employees into a consumer-driven health plan, it's the same as giving all the women a $1,000 pay cut, on average, because women on average have $1,000 more in health costs than men." Here's why: For most of their lives, men and women use health care very differently. Men seek episodic care: I sawed off my thumb, fell off a mountain, tried to stop an SUV with my Civic. Contact with the health system is relatively rare, and most everything is covered by insurance. Conversely, women seek a lot of routine care. Check-ups, pap-smears, reproductive health care, etc. The expenses are small, but they're regular. So when you move towards health coverage where small, regular expenses come out of pocket, you're erecting financial barriers to the type of care sought by women. It's also a good object lesson as to the folly of HSAs. The type of care that HSAs put a higher price tag on, and thus discourage, are small and discrete interactions with the health system. So they disadvantage mammograms and pap smears, but leave lumbar surgeries and angioplasties untouched. Anyone want to guess which category accounts for the majority of our health spending? Anyone want to guess which type of care studies suggest we discourage, and which type of care studies suggest we make more broadly accessible?