Credit: iStock/Fauzi Muda Have you wondered why much of our daily life runs on autopilot? We check our phones without thinking, follow familiar routes and repeat routines almost automatically. These patterns feel psychological, yet they are deeply biological. Habits are neural shortcuts that the brain builds to conserve energy and increase efficiency. Through repetition, behaviors … Continue reading The Hidden Biology Behind Everyday Habits
Nervous System
Laughing as Medicine: Why a Giggle a Day Might Be Good for You
Credit: iStock/FG Trade Latin We’ve all heard the saying “Laughter is the best medicine,” but what does science say? It turns out that laughing isn’t just pleasant, it can be genuinely beneficial for your mind and body throughout your life. Let’s start with stress. Chronic stress is everywhere in modern life, contributing to anxiety, fatigue … Continue reading Laughing as Medicine: Why a Giggle a Day Might Be Good for You
Spotlight On: Parkinson’s Disease
Credit: iStock/Devonyu Parkinson’s disease is a progressive neurological disorder that affects how the brain controls movement. It develops gradually, often beginning with subtle symptoms that are easy to overlook. The condition was first described in 1817 by the British physician James Parkinson. Today it is recognized as one of the most common neurodegenerative diseases worldwide, … Continue reading Spotlight On: Parkinson’s Disease
The Brain-boosting Power of Strength Training
Credit: iStock/Zorica Nastasic As the population ages, Alzheimer's disease and related dementias and other neurodegenerative diseases are on the rise. These conditions can make independence harder, but exercise can protect your brain. Aerobic exercises such as walking, jogging and bicycling can improve brain health, size and function. Research has shown that strength training may offer … Continue reading The Brain-boosting Power of Strength Training
Salt and the Signals We Don’t Notice
Credit: iStock Salt is everywhere. It’s used as seasoning and preserves our food. Without enough salt, our muscles, nerves and cells wouldn’t work properly. At the same time, too much salt can be harmful. Many of us know it's linked to serious health problems such as high blood pressure, heart disease, kidney damage, obesity and … Continue reading Salt and the Signals We Don’t Notice
From Tomatoes to Treadmills: What Scientists Are Discovering About Everyday Health
American Physiology Summit attendees view scientific posters. Credit: Erica Roth From record-breaking running speeds set by a 91-year-old to how your body responds to climate shifts, the American Physiology Summit brought together researchers exploring the science of health and life itself. Here’s how their findings presented at the annual meeting of the American Physiological Society could … Continue reading From Tomatoes to Treadmills: What Scientists Are Discovering About Everyday Health
Can’t Sleep? Turn On Some Tunes!
Credit: iStock/Motortion You have probably struggled with falling asleep at some point in your life. When you don’t sleep well, you may feel less happy or experience reduced cognitive speed, otherwise known as “brain fog.” Chronic sleep deficiency increases the risk for depression, high blood pressure and the development of various diseases. Having trouble falling … Continue reading Can’t Sleep? Turn On Some Tunes!
History of Adrenergic Receptors
Credit: iStock/ibreakstock The adrenergic system is a crucial component of the sympathetic nervous system and has widespread effects throughout the body. “Adrenergic” comes from “Andren,” relating to “adrenaline” (a stress hormone also referred to as epinephrine in the U.S.), and “ergic” derived from the Latin “ergy,” meaning “at work.” Put together, the word “adrenergic” is … Continue reading History of Adrenergic Receptors
The Top 10 Most-read I Spy Physiology Posts of 2024
Credit: iStock/gustavofrazao It’s been another “ph-un” filled year of physiology on the I Spy Physiology blog! We’ve featured posts ranging from marijuana research and bone cancer in children to how many steps do we really need to take per day and if alkaline water lives up to the hype. To complement our Women’s Health Research … Continue reading The Top 10 Most-read I Spy Physiology Posts of 2024
How Exercise Protects You from Dementia
Credit: iStock More than 7 million people in the U.S. live with neurodegenerative disorders. These are chronic diseases of the nervous system that worsen over time. Degenerative disorders are difficult to slow or reverse when nerve cells (neurons) stop working the way they should or die. Examples include Alzheimer’s disease, Parkinson’s disease, multiple sclerosis and … Continue reading How Exercise Protects You from Dementia