Credit: iStock/VectorMine The gut microbiota in our body produces various substances called metabolites. One of those metabolites is short-chain fatty acids (SCFAs). These are the compounds our digestive system produces when dietary fiber that we can’t digest ferments in the gut. Acetate, butyrate and propionate are some of the major SCFAs. SCFAs are important biofuels … Continue reading Spotlight On: Short-chain Fatty Acids
Scientific Research
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
Beyond the Bugs: Could Chemicals from Microbes Help Lower Blood Pressure?
Credit: iStock/Elena Istomina Did you know that the trillions of bacteria residing in your gut actively influence one of the most critical numbers in your life: your blood pressure? For a long time, scientists mainly looked at genetics, diet and lifestyle as the key reasons behind high blood pressure. While these factors are important, there’s … Continue reading Beyond the Bugs: Could Chemicals from Microbes Help Lower Blood Pressure?
Protecting Pregnancy When Blood Types Differ
A classical depiction of Queen Niobe grieving her child, intertwined with symbolic antibodies and red blood cells to represent Rh incompatibility. Credit: Amin Mohajeri In Greek mythology, Queen Niobe’s pride led to her children’s death, and her endless grief turned her into stone. The human body, too, can be undone by its own devotion: A … Continue reading Protecting Pregnancy When Blood Types Differ
Why Do You Need Protein (And How Much) In Menopause?
Credit: iStock Protein is the building block for all the muscles in our body. We rely on protein to maintain structural support and aid in nearly all cellular processes. Our muscles are necessary for breathing, walking and balance, all of which allow us to maintain our normal activities. Loss of muscle mass (called sarcopenia) is … Continue reading Why Do You Need Protein (And How Much) In Menopause?
The Memory Sniper: How Stress Modifies Our Brain
Credit: iStock/kali9 Her tangled locks were fluttering around her face.Rosy cheeks; grin pasted in place.The wind roared in her ears as the rollercoaster plummeted down.The rush of adrenaline through her veins sent her stumbling into the past.“You have great potential; never give it up in life,” her father remarked.It was her first real oil painting … Continue reading The Memory Sniper: How Stress Modifies Our Brain
Alcohol and Health: Why It’s Not as Simple as One Drink a Day
Credit: iStock The mulled wine and apple cider at your local holiday market weren’t the only things brewing this holiday season. A heated debate is on about whether you should avoid alcohol completely or if you should drink small amounts for a healthy lifestyle. Studies have shown that moderate drinkers have a lower risk of … Continue reading Alcohol and Health: Why It’s Not as Simple as One Drink a Day
The Quiet Art of Protecting Your Lungs Against COPD
Credit: Amin Mohajeri Take a slow, deep breath. Feel the pleasant airflow entering your lungs, nourishing your blood and fueling your cells. This effortless, automatic rhythm is a priceless gift. With each breath, oxygen flows into the body and carbon dioxide leaves. Yet this delicate exchange can be disrupted over time by long-term exposure to … Continue reading The Quiet Art of Protecting Your Lungs Against COPD
The Top 10 Most-read I Spy Physiology Posts of 2025
Credit: iStock This year marked the 10th anniversary of the I Spy Physiology blog! In a year of great challenge to science funding, talking about the value of science has never been more important, and our contributors understood the assignment. They’ve shared their stories about becoming a science advocate and transitioning from mentee to a … Continue reading The Top 10 Most-read I Spy Physiology Posts of 2025
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