How Ocean Tides May Influence Heart Rhythms

Credit: iStock/baona Just as ocean tides rise and fall under the pull of the moon and sun, scientists are discovering that gravitational changes can affect our hearts in subtle ways. We caught up with Guadalupe Rodríguez Ferrante, PhD, who presented her work at the 2026 American Physiology Summit, to learn more about this intriguing topic. … Continue reading How Ocean Tides May Influence Heart Rhythms

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?

2023’s Most-read I Spy Physiology Posts

Credit: iStock This year, as science celebrated the discoveries that gave us mRNA vaccines to fight COVID-19 and gene editing treatments for sickle cell disease, our contributors also brought you fascinating, fun and insightful physiology stories on the I Spy Physiology blog. From the always-popular topic of spaceflight to the always-important matter of mental health, … Continue reading 2023’s Most-read I Spy Physiology Posts

Physiology Helps You Protect Your Health

American Physiology Summit attendees listen to research findings presented at the meeting. Scientists who study physiology gathered in Long Beach, California, last week for the inaugural American Physiology Summit—a brand-new conference dedicated to sharing discoveries on the cutting edge of bioscience. Studies highlighted at the Summit span from the effect of cannabis extracts on blood … Continue reading Physiology Helps You Protect Your Health

A New Way to ‘Beet’ High Blood Pressure

Credit: iStock Beets may not be the most popular vegetable, but they can’t be “beet” for good health. Beets are rich in nitrate—a compound found naturally in plants that can lower your blood pressure. A recent study in rats found that beetroot juice prevented the blood pressure-raising effects of eating too much salt. This research … Continue reading A New Way to ‘Beet’ High Blood Pressure

To Infinity and Beyond: Our Ability to Control Blood Pressure

Astronaut Matthias Maurer returns to Earth after 177 days in space. Credit: NASA (Aubrey Gemignani) via Flickr NASA has a goal to send the first woman and first person of color to the moon. From there, a launch point will be established for the first human mission to our galactic neighbor, Mars. This is no … Continue reading To Infinity and Beyond: Our Ability to Control Blood Pressure

St. Patrick, Leave Those Snakes Alone!

Credit: iStock Snakes don’t have the best reputation. Not only are they considered synonymous with “traitor,” but on March 17, folks around the world celebrate a man famous for driving the snakes out of Ireland. When it comes to science, though, snakes have a lot to offer. There are hundreds of articles about snakes published … Continue reading St. Patrick, Leave Those Snakes Alone!

Want to Lower Your Blood Pressure? Just Breathe (In)

Tom Heinbockel demonstrates inspiratory muscle strength training using an electronically tapered flow resistive loading device. Photo credit: Casey A. Cass/University of Colorado About half of American adults have high blood pressure. This is alarming because high blood pressure increases the risk of developing heart disease, which is the leading cause of death worldwide. Could a … Continue reading Want to Lower Your Blood Pressure? Just Breathe (In)

Fainting, the Brain and the Chilean Miners’ Rescue

The Fénix capsule brought the Chilean miners safely to higher ground. Credit: iStock On August 5, 2010, 33 Chilean miners became trapped 2,300 feet underground when the San José copper-gold mine in the Atacama Desert caved in. Sixty-nine days later, they were rescued when a 21-inch-wide torpedo-shaped container called a Fénix capsule brought the miners … Continue reading Fainting, the Brain and the Chilean Miners’ Rescue

The Healing Power of Nature

Credit: iStock Have you considered that nature is a form of medicine? The ancient Greek civilization expressed its need for nature through its father of medicine, Hippocrates, who said “airs, waters and places” were essential for well-being. You may feel profound relaxation on a beach, but you may not know exactly why you feel that … Continue reading The Healing Power of Nature