Between 1999 and 2010 changes in seafood consumption meant that blood levels of mercury in women of childbearing age dropped by a third, and the percentage of such women who have worrisome blood levels of mercury dropped by two thirds. Dina Fine Maron reports

In annual physicals teens and docs failed to talk sex a third of the time and usually too briefly when the subject was addressed. Dina Fine Maron reports

A survey of 2500 Americans finds that despite many knowing about Jolie's preventive double mastectomy, most remain in the dark about breast cancer risk. Christie Nicholson reports

Middle-aged to elderly adults with no history of exercising still saw significant health benefits from even small additions of regular physical activity to their schedules. Dina Fine Maron reports

Scores on standardized tests may go up but a student's ability for abstract and logical thinking may not improve. Christie Nicholson reports

A population model suggests that a small dietary change, such as eating a daily piece of fruit instead of the equivalent calories in less healthful fare, may stave off as many heart-related deaths as would statins. Christopher Intagliata reports

If you want to catch someone in a lie, you'll raise your odds in the afternoons, as most people are more likely to cheat or lie then as opposed to the morning. Christie Nicholson reports

Swaddling infants is safe when done correctly. But done wrong, it raises the risk of osteoarthritis and the need for hip replacement in middle age. Dina Fine Maron reports

If you over-eat or under-eat as a reaction to stress, don't worry, your body may compensate to balance you over time. Christie Nicholson reports

Based on the number of searches for info about smoking cessation on Google, it appears more people consider quitting on Mondays than any other day. Dina Fine Maron reports