Drink alcohol for a longer life, say scientists, just not too much

Moderate drinking is associated with a longer lifespan in just about every population ever studied, says Dr. Claudia Kawas, professor of neurology at the University of California, Irvine.

Man drinking traditional pint of real ale beer. (Getty Images)
Surprising Science

If you're a certain age, you'll remember this lesson from biology class: the adult brain is fully formed at age 20, and each drink of alcohol kills one thousand neurons that can never be replaced. Science then discouraged drinking. But today's science is much better!

Keep reading Show less

Caffeine reduces brain blood flow. So how does it energize our minds?

While more controlled psychostimulants like amphetamines and cocaine facilitate a rush of blood to the whole brain, caffeine actually restricts blood flow overall. 

Caffeine-induced resting brain entropy increase in a large portion of the cerebral cortex. (Scientific Reports ISSN 2045-2322)
popular

Caffeine is the world's most popular psychostimulant. In the United States, more than 90 percent of adults regularly consume caffeine and the average 'user' takes in about 300 milligrams per day, the equivalent of 3 cups of coffee. 

Keep reading Show less

Why President Trump wants a military parade in Washington D.C.

President Donald Trump has requested that the U.S. armed forces stage a parade in the nation's capital to feature America's military might. The timing and source of the request has drawn a mixture of opinion.

Veterans of the Gulf War's 'Operation Desert Storm' march up Broadway's 'Canyon of Heroes,' in the Financial District of lower Manhattan. (ANDREW HOLBROOKE/Corbis via Getty Images)
Politics & Current Affairs

According to the Washington Post, President Donald Trump has requested that the U.S. armed forces stage a parade in the nation's capital to feature America's military might. The timing and source of the request has drawn a mixture of opinion from high-ranking individuals. 

Keep reading Show less

What the U.S.-Mexico border wall would look like in Europe

The size of the U.S.-Mexico border wall proposed by the Trump administration seems shockingly ambitious when overlaid onto a map of Europe.

U.S. border wall with Mexico overlaid on a map of Europe (Reddit)
Politics & Current Affairs

The size of the U.S.-Mexico border wall proposed by the Trump administration seems shockingly ambitious when overlaid onto a map of Europe. The history of physical barriers in Europe, especially the Berlin Wall, adds unexpected context to a political and social row over domestic immigration policy. 

Keep reading Show less