Light drinking helps heart health. But more than one drink a day for women and more than two daily drinks for men are harmful. That's the bottom line from a state-of-the-art review of drinking and health by University of Missouri cardiologist James H. O'Keefe, M.D., and colleagues. The researchers note that study after study shows health benefits for moderate drinking. These benefits appear to come not from the type of alcohol, but from the alcohol itself. Join discussion...

A few years ago, it dawned on Zach Thomas that coffee didn't have enough caffeine. At the time, he was pulling all-nighters as a student at the United States Military Academy at West Point. By the time he became an instructor at the U.S. Army Ranger School in Fort Benning, Ga., he lived by a common saying at his school: "Sleep is a crutch." "I used to just drink a pot of coffee, but then you have to go to the bathroom 100 times during the day. If you could just get more caffeine in one cup, then Join discussion...

The Stroop Effect is one of the most-studied phenomena in psychology. The test is easy to administer, and works in a variety of contexts. The simplest way to see how it works is just to look the following two lists. Don't read them, instead say the color each word is displayed in, as quickly as you can: Join discussion...

You may even be experiencing a lull in your life because you have been unable to accomplish the things that could actually drastically impact your life in the most positive way. So just what am I talking about … You see, there is a very basic principle that some people are familiar with that can be very helpful in all areas of your life, both business and personal. The principle I am speaking of is the 80/20 rule. Simply, this rule says that just 20% of your activities in life will actually br Join discussion...

In 146 countries around the world, "smoke-free" now means exactly that. As well as agreeing to draw up international laws against cigarette smuggling, officials at a major World Health Organisation (WHO) anti-tobacco meeting adopted stringent definitions of what it means to have a smoke-free bar or office. The guidelines, which are not legally binding, stipulate that "there is no safe level of exposure to tobacco smoke", adding explicitly that half-way measures such as designated smoking areas Join discussion...

New alcoholism research identifies five types of alcoholics and shows that young adults account for more than half of U.S. alcoholics. The high percentage of young adults among alcoholics was unexpected, notes researcher Howard Moss, M.D., the associate director for clinical and translational research at the National Institute on Alcohol Abuse and Alcoholism (NIAAA). Join discussion...

Older men and women who take the most widely prescribed antidepressants are at increased risk for bone loss, new research shows, but it is unclear if the bone loss is caused by the drugs. Two newly published studies -- one in men and the other in women -- appear to link the use of selective serotonin reuptake inhibitor (SSRI) antidepressants to age-related bone weakening. Join discussion...