Many Americans may enjoy drinking on New Year's Eve, but they don't top the charts. In fact, the US is not even among the 25 "drunkest" countries in world alcohol consumption rates.

Twenty years ago, infectious disease in children was the highest risk factor for death and disability in the world. Today, it’s low-nutrient, high sodium diets, alcohol and tobacco.

Cocaine overdoses can often end up in heart attacks. But long-term habitual cocaine use can also change the structure of the heart to set it up for a heart attack not from an overdose.

Lighting up in a restaurant or a bar affects more than your own lungs. The secondhand smoke is inhaled by those around you as well — unless you live in an area with smoke-free legislation.

The American Heart Association has established standards for ideal heart health, including maintaining a healthy weight, managing blood pressure and cholesterol, and giving up smoking.

Heavy drinking can cause all sorts of health problems—higher risk for central brain bleeds among them. Why take the risk? Moderate drinking does not cause the same trouble.

Damage from smoking can creep below our lungs. Our stomachs can hurt, the pain can spread into the colon, and the pain can stay even if we quit.

Smoking habits can have a number of adverse health effects. There is good news—when you finally quit smoking, you may also reduce the chances of life-threatening brain bleeds.

Not smoking after a stroke should be a no-brainer...but quitting smoking is tough, even after a stroke. Smoking cessation plans, support and medication could help.

Anti-smoking rules now allow four out of five Americans to enjoy clean air in most public places. The icing on the cake showed a reduced chance of heart attack for non-smokers.