Uh-oh, the new year's just begun and already you're finding it hard to keep those resolutions to junk the junk food, get off the couch or kick smoking. There's a biological reason a lot of our bad habits are so hard to break – they get wired into our brains.

Older women who eat more chocolate are less likely to develop heart problems over a nearly 10-year-period, new study findings report.

It is curious that our own offenses should seem so much less heinous than the offenses of others.

n Australian cafe is claiming a world record after cooking a giant hamburger with an 81 kg (178 lb) patty that took 12 hours to cook and four men to flip.