Take a deep breath in. Now breathe out. Each time we breathe, oxygen enters the bloodstream to keep our organs alive and working. When oxygen can’t get to our body’s tissues, they begin to fail. This is true of all organs, but most of all the brain. In conditions like stroke and cardiac arrest—when the … Continue reading Running on Empty: No Oxygen Needed!
Brain Physiology
Spotlight On: Circadian Rhythm
The phrase “circadian rhythm” seems to appear with increasing frequency in the news. The study of circadian rhythm also got a boost when the 2017 Nobel Prize in Physiology or Medicine was awarded to three pioneering researchers in this area. But many people may not understand what it means and why it’s important. All biological … Continue reading Spotlight On: Circadian Rhythm
Walk It Out: How Frequent Walking Breaks Help Your Brain
“Sit less, move more.” This message is being increasingly promoted in the world of health and fitness and in society at large and for good reason. The time we spend sitting is directly related to our health. In fact, too much sitting might even be harmful to people who exercise regularly. Sitting continuously for three … Continue reading Walk It Out: How Frequent Walking Breaks Help Your Brain
Taking Tests in a Heat Wave is Not So Hot
You know the feeling: It’s like a sauna outside. Sweat pours down your face and body. You drink gallons of water and still can’t get cool. You don’t want to exert much physical effort. The dog days of summer are here, but with a heightened intensity. Record-breaking heat in the U.S.—with North Texas seeing triple … Continue reading Taking Tests in a Heat Wave is Not So Hot
Relieve Stress and Anxiety with Exercise in the New Year
If getting more exercise is one of your New Year’s resolutions, here is another reason to stick with it: daily exercise—which is known to lower blood pressure—has also been shown to reduce stress and anxiety. I am not the first to notice that physical activity improves my ability to respond to stressful situations, but as … Continue reading Relieve Stress and Anxiety with Exercise in the New Year
Keeping the Juices Flowing with Beets
With the new year upon us, many people are setting new goals for themselves related to improving their health or focusing on career-related goals. If establishing better exercise and nutrition habits are part of your quest to attain optimal health and productivity in 2018, you are not alone. New gym memberships are likely to rise … Continue reading Keeping the Juices Flowing with Beets
Traumatic Brain Injury: More Than a Kick in the Head
Traumatic brain injury (TBI) can be caused by many things, including car accidents, sports injuries, falls, domestic violence and explosions during combat. In the past few years, research has shown American football to be a major contributor to TBI. The media has also highlighted this, especially as iconic athletes speak about their experiences and detrimental … Continue reading Traumatic Brain Injury: More Than a Kick in the Head
A Nutty Way to Curb Cravings
Although walnuts are recommended as an effective way to control appetite in people with diabetes, just how they regulate appetite has only recently been discovered. In a new study published in the journal Diabetes, Obesity and Metabolism, researchers examined the brains of 10 obese volunteers who drank breakfast smoothies for five days. Some of the … Continue reading A Nutty Way to Curb Cravings
Being Left (Handed) Is All Right
"There's something I ought to tell you. I'm not left-handed either." - Westley, The Princess Bride Throughout history, left-handedness has both fascinated and frightened people. Maybe it is because only about 15 percent of the population is left-handed. Or maybe it is because the reasons for left-handedness remain somewhat of a mystery. What makes a person left- … Continue reading Being Left (Handed) Is All Right
Spinal Cord Injury: Let’s Clear the Air(ways)
The spinal cord is the information processing highway in animals (including humans) that have a backbone. In humans, the spinal cord contains nerve cells called motor neurons that control movement in the muscle fibers of the body, similar to the way a puppeteer controls the movements of a puppet. About 17,000 people in the U.S. … Continue reading Spinal Cord Injury: Let’s Clear the Air(ways)
