RadioMD News... I'm John Byrd.

More than half of all Americans are eating better now than they were 15 years ago, finds a new study. People were found to be eating more whole grains, fruit, nuts, seeds and fish and cutting back on sugar-sweetened drinks. But more progress is still needed, declare experts.

Evidence is mounting that doctors can be "bought off' with as little as one meal from a drug company, says new research. Those doctors were found to prescribe more expensive, brand-name medications for common ailments than their peers.

And... your genes may be the key to lasting relationships. No, we're not talking about your pants, but genetics. The OXT gene is involved with production of a hormone linked with a large number of social behaviors in people. This hormone, sometimes known as the "love hormone", or lack thereof, can affect relationships with others, new evidence suggests. Scientists are therefore hopeful they can devise treatments to help with social disorders.

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