If you are still working on those popular New Year's resolutions to lose weight or quit smoking there is a real secret to that successful behavior change.

Have your spouse or partner join you.

That will more than double your chance of succeeding at making a positive lifestyle change, according to a new study that is running in the latest edition of the journal JAMA Internal Medicine.

Researchers at the University College London found that couples who adopted a new and positive health behavior together were more successful than those who tried to change on their own.

How much sex is considered exercise?

That was true for both men and women. It also held up for people who were older than 60. That came as a little bit of a pleasant surprise to co-author Jane Wardle.

"We weren't sure that with people who have been together for a long time you would see the same effect. You might think that they have settled into a certain way of doing things," said Wardle, a professor of clinical psychology and epidemiology at University College London. "This (success) suggests that they are in fact still listening to each other."

Even after all these years.

No cough syrup?

The City of San Francisco is dealing with a cough syrup shortage.

Pharamacists in the area have said they don't expect shipments of cough syrup with codeine for at least another month.

And the pharmacists that do have cough syrup are only handing out our ounces at a time.

Medical officials say the flu outbreak is to blame.

It has spiked particularly high this year.