RadioMD News... I'm John Byrd.

Simply walking or biking for 20 minutes a day could significantly reduce your risk of heart attack and certain types of cancer finds a new study. Moderate exercise was found to be most helpful versus low or heavy excercise. In addition, recent activity was found to be more important than past physical activity levels. 

Scientists have discovered a molecular difference in how male and female brains function. The findings are significant in regards to how to treat various conditions, depending on the sex of the patient. Some treatments were found to be effective in one sex, but not the other.

And... music as a painkiller? A new study has discovered that listening to music before, during and after surgery reduces pain and anxiety and therefore reduces the need for painkillers. When patients selected their own music, there was an even greater reduction in pain, maximizing the benefit. Although suspected for quite some time, this culmination of data from various research proves that it really does work.

For RadioMD News, this is John Byrd. Hear health talk interviews with top experts at RadioMD dot com.