Vitamin — the word itself conjures up healthiness, something vital for life. Without them we can’t live. But can we have too much of them? Yes. Just like we can have too much food

Dr. Matthew Edlund spoke Oct. 18, at Book1Store on Main Street about simple changes we can all make in our daily routines that will add years to our lives and keep us healthier. Dr. Edlund directs the Center for Circadian Medicine and is an internationally recognized expert on rest, biological clocks, performance and sleep. His [...]

Is eating fish the same as eating fish oil? If you believe advertising and the drumbeat of omega 3 supplement makers, you might think so. But the facts are different

June 25, 2009. I was rapidly scanning BBC News when I shouted “No” at the monitor and gasped before recognizing why. Michael Jackson was so young. How could he die? I gasped again when my Webmaster told me CNN Headline News was calling Dr. Conrad Murray, Jackson’s personal physician at the time of his death, the “rest doctor.” Whatever Michael Jackson was getting before he died, it wasn’t rest…

Brain, your gut is calling. It’s got a lot to say — about, stress, anxiety and your mood. That’s the potential upshot of a recent study published in PNAS by Javier Bravo and company from the University College Cork and nicely described in the Sept. 3 edition of the Economist. The study emphasizes how the innumerable gut bacteria affect behavior

The data from this year’s American Sociological Association Meeting are troubling, though not surprising. Studying more than 10,000 men and women as part of National Longitudinal Survey of Youth ’79, weight gain was common among both men and women in the two years after marriage

Why do we sleep? Evolution works in a fussy, erratic, back and forth way, taking information systems from one type of project and then applying it to another — and another. As animals moved from sea to land, fins become hands; when they returned to the sea, the hands became yet different fins

Some technologies are astonishing. Imagine this — you want to wake up an animal so quickly and efficiently that you do not change overall sleep, just cause brief arousals that don’t shift the amount of REM, deep sleep or how long you get to rest. And you do it by changing the animal’s genetics using viruses as finely etched probes that help stimulate a tiny group of neurons with direct light, brought by cables so small they don’t materially change brain function, all the while monitoring with second-by-second precision

Mark Zuckerberg has declared that privacy is dead. Though he’s done his bit to achieve that state, he’s right. And he’s about to become ever more correct. Americans should view the recent hacking information scandals in Britain with alarm, because the same problems are now here — or will be

Yep, it’s true — give healthy young men less sleep time and down goes the testosterone. The data comes from the University of Chicago, where checking hormone changes…