I've just finished Gender Medicine by Marek Glezerman.  It's packed with interesting facts about differences between male and female physiologies, from the specific and minor to the more general and challenging.  For example, because over millions of years child-raising developed greater motor skills most women have a far wider range of movement in their thumb joint - but they pay the price of being more likely to get arthritis in their thumbs (I'm not suggesting that that's minor - a friend just visited for whom this is a real problem). Heart disease is generally thought to affect men more.  But this is true only to the fourth of fifth decade.  Once…