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Oxygen may be the gas that keeps us alive, while carbon dioxide is the gas we exhale. But between the inhale and the exhale, CO₂ may help regulate blood flow through the brain and even provide the pulse needed to wash damaging proteins away.

An elevated PSA can be an early indication of prostatitis, an enlarged prostate or other health concerns. Research suggests that lifestyle changes, targeted nutrients, and inflammation reduction may help support healthy PSA levels.

Have you looked in the mirror to realize your hair just doesn’t frame your face the way it used to? Is your forehead getting higher or your hair getting thinner? It’s likely the latter and happens to men and women. You might think it’s inevitable. You’d be wrong…

When we think of Viagra, erectile dysfunction comes to mind. But research has found it may be helpful for myriad conditions, most recently, two specific lung conditions. All because it helps improve blood flow (to places other than the penis)…

No need to travel to Florida. New findings reveal the real fountain of youth is much closer to home. Tweaking our own T cells, immune system cells, is the start of what scientists are calling a “living drug” to halt the ravages of time…

Researchers found a way to retrain cells deep inside the bone marrow, helping the body produce stronger cancer-fighting cells. The surprising catalyst behind this remarkable discovery? A simple food-grade supplement.

Losing those first pounds may feel impossible. No wonder those weight loss drugs, even with a growing list of side effects, are popular. But what if you could naturally regulate your appetite, without the risk or expense?

Microplastics are nearly impossible to avoid. But research suggests they may do the most damage when they encounter a liver already struggling with fat, inflammation and poor metabolic health. Here’s how to strengthen your defenses and reduce your exposure.

Vitamin C has a reputation for boosting the immune system and supporting skin aging. But brain scans reveal a much bigger role: one tied to gray matter, brain connections and cognitive aging. Keeping your levels up may be easier than you think…

Fresh produce may seem like the best choice, but days in your refrigerator can quietly change its nutritional value. Some overlooked options can be just as healthy — while cutting down on waste in your crisper and strain on your pocket.

It’s not uncommon for some medications to cause mild side effects. But you don’t expect to trade off one health condition for another. Here’s what you should know about statins and type 2 diabetes, what’s true and what to do…

Your blood sugar can look normal while insulin is working overtime behind the scenes. Now researchers are proposing a simple finger-prick measurement that may reveal the metabolic conditions linked to cancer and chronic disease before the warning signs become obvious.

Aortic dissection can strike suddenly, but the risks behind it may build quietly for years. Learn the warning signs, risk factors and why an often-skipped blood pressure check could uncover a hidden vascular problem before it becomes an emergency.

Exercise does more than help build muscle. It could reverse a key driver of muscle aging by helping older muscle cells restore the cleanup-and-repair systems they need to stay strong, responsive and ready for the life you want to keep living.

The message about the dangers of opioids is generally clear, though one has long been viewed as a safer choice for pain. But a new review found its pain relief may be surprisingly small, while its risks, including heart-related problems, are harder to ignore…

The side effects that come with treating high blood pressure include thirst, dehydration, increased urination, dizziness, weakness and fatigue. That’s incentive to keep it at bay with a few healthy changes and 5 supportive supplements to keep your numbers where you want them.

Feeling drained after checking the news isn’t a sign of weakness. Your brain is wired to lock onto danger, and today’s nonstop headlines can keep your nervous system stuck on high alert. Here’s how to stay healthy while staying informed…

Does summer cause weight gain? The answer is yes, and the research is fairly consistent on this. So let’s talk about why it happens and how to avoid the trap…

Worried about staying strong and independent as you age? Here’s the simple daily snack scientists say could help you preserve your strength, mobility and reduce fall risk, without causing weight gain.

Pancreatic ductal adenocarcinoma is on the fast track to becoming the second-leading cause of cancer-related deaths. Why? A common denominator in two common conditions turns cells cancerous, but there’s a way to throw a kink into the equation…

Getting restful sleep is every bit as critical to your health as eating the right foods. But, as we age, sleep becomes more difficult. More bad news: age-related decline in sleep quality steals your ability to hold onto memories. Here’s the secret to get your sleep in the pink…

There’s an interesting connection between some neurodegenerative ailments, like Alzheimer’s and Parkison’s: the loss of smell. Knowing scent-detecting nerves trigger certain brain responses, research tested a whiff of a scent that may halt cognitive decline…

Many factors can influence blood pressure, beyond salt, stress or aging. Take aldosterone and nitric oxide. This relationship explains why some cases don’t respond to standard treatment…

Unlike green tea, matcha tea is made from whole, ground tea leaves. That means there’s no tea bag to discard, taking the antioxidant content through the roof. No wonder matcha has so many researched benefits, including this one…

Weight gain and inflammation create a vicious cycle that sabotages weight loss. But when science teams up to bust inflammation, you can pack on health while the weight falls off. Here’s what the Physicians Committee for Responsible Medicine found works…

Arginine, also known as L-arginine, is an amino acid that helps the body build protein. But that’s far from all it does. From enhancing circulation to athletic performance, scientists are amazed at what they see it doing for the brain…

Beets can help support healthy circulation, but your body has to activate an important conversion pathway first. And one of the most important steps begins in the last place most people think to look: your mouth. So what’s gum got to do with it?

Think summer sunshine is enough to rebuild your vitamin D stores? New research suggests that for many people the “sunshine vitamin” may stay low all year long. And that could matter more with every passing birthday.

Cholesterol gets most of the attention when it comes to heart risk. But calcium buildup inside the arteries is a dangerous warning sign, and Johns Hopkins researchers found a vitamin few have heard of may help slow it down.

Prediabetes may sound like “not diabetes yet,” but your heart may not see it that way. There’s one blood sugar milestone that could change the story, cutting the risk of heart attack, stroke and other serious cardiovascular trouble nearly in half…

New research suggests the kind of fat you eat may matter more than the amount when it comes to insulin resistance. Here’s why one common fatty acid may worsen blood sugar control — and another may help protect it.

Fiber maxxing is a popular TikTok trend, encouraging people to load up on beans, chia seeds, oats, berries and other fiber-rich foods. While most of us could benefit from more fiber, the trend isn’t for everyone. Let’s take it with a spoonful of context…

Your gums may say more about your health than you realize. That’s because chronic kidney disease and gum disease may fuel each other through inflammation, immune changes and harmful oral bacteria. That makes these things a top priority…

Your immune system can get tired with age, but what if aging immune cells could act young again? Researchers are studying a compound that may help T cells renew their power source. And your gut may be able to make it from foods you already know.

What if some of the healthiest foods on your plate were carrying something your body doesn’t need? Researchers studying nonsmokers, under 50, with lung cancer found a pattern that surprised even them. And the explanation is hiding in plain sight.

One food at the forefront of brain health is olive oil. But a recent discovery found that not all olive oils are equal. In fact, choosing the wrong kind could put your brain on the fast track to cognitive decline…

For decades, doctors have treated AFib using three main pillars: medications for heart rate, procedures to fix the heart’s rhythm, and blood thinners to prevent stroke. But an overlooked 4th pillar could reverse it…

Studies have shown it doubles weight loss, slows brain aging and brain atrophy and decreases liver fat. It could be the one diet to answer all our problems. Here’s how to go “green” for a big brain and slimmer waist and liver…

Walking comes naturally easy to us as adults. But the way we walk tends to vary from person to person. That’s no big deal unless it’s a difference that signals one of these 12 hidden health problems tipped off by how you walk…

We eat healthy, exercise and reach for supplements in hopes of adding years to our lives and enhancing the quality of our health. What if I told you it could be easier? Two currently available drugs may be the longevity cocktail we’ve hoped for…

You don’t need long workouts to protect your health. Dialing it down to brief bursts of daily vigorous activity — just enough to leave you breathless — can lower your risk of these eight chronic diseases…

What if something you’re doing, or not doing, in midlife could shape your brain years from now? Researchers have uncovered a surprising link to a major Alzheimer’s marker. The findings may change how you think about long-term brain health.

Aging doesn’t just weaken the immune system. It may take inflammation to a level that makes respiratory infections significantly more dangerous. How this cycle unfolds in the lungs and what reduces your risk is need-to-know information before you get sick…

My favorite road trip game is the one where you choose the ‘one thing’ you couldn’t do without if you were stranded on a desert island. For me, it’s a no-brainer: the nutrient science shows can fight all inflammatory and metabolic disorders.

Some forms of dementia may not begin in the brain. In fact, researchers say up to one in three cases are linked to conditions elsewhere in the body, pointing to modifiable factors that may help reduce your risk of losing precious memories.

It’s no surprise a steady diet of the wrong foods packs on pounds, raises blood pressure and blood sugar and ruins good health. But when you come face to face with facts from 45 studies that include 30+ conditions and cancer, time to look at what we’re eating…

When high cholesterol and weight gain come together, risks for heart trouble ramp up. Doctors will offer a pair of prescriptions, but an ancient snack turned functional food has plenty of clout to help get the job done…

Monounsaturated fats (MUFAs), found in olive oil, avocados and nuts, may help strengthen immune cells and improve their ability to survive stress. But balancing MUFAs with polyunsaturated fats (PUFAs) appears key to optimal immune function…

There’s a reason some blood pressure stays stubbornly high, and it may not be what you think. A little-known hormone could be part of the picture, and your doctor likely isn’t even testing for it…

I’m a penny pincher who will cut costs almost anywhere I can, but not when it comes to food and my health. So, imagine my delight when I found two foods that reduce serious health risks and the drain on my bank account at the same time!

A common food found in many American kitchens is linked to colon cancer, but nearly half of Americans don’t know the risk. A new report highlights this surprising gap in awareness and what it could mean for your long-term health.

If you’ve started feeling bloated, overly full or tired after meals, it may not be your diet that’s changed. In middle age, your body produces fewer digestive enzymes, making it harder to break down and absorb nutrients. The result? Less energy, more discomfort, and a hidden problem many people overlook.

Chronic inflammation can simmer under the surface for years. There are anti-inflammatory medications, and then there are spice compounds that may work together to deliver an anti-inflammatory effect up to 100x stronger, without the side effects…

We reach for them because they’re fast and convenient. But beneath that convenience is a level of processing that fundamentally changes how your body responds to what you eat, raising cardiovascular risks significantly.

Chances are you’ve never heard of phosphatidylserine. It’s a fatty substance especially important for brain neurons — for good reason: It’s the key to better brain function, including memory, stress management and healthy mood…

Is coffee quietly helping your health… or hurting it? And what about tea, our other favorite caffeinated beverage? Thanks to one of the largest and longest studies on the topic, which has tracked people for more than four decades, we may have the answer.

One of the most worrisome aspects of inflammatory bowel disease (IBD) is the spike it causes in colorectal cancer risk. A team of researchers sought to better understand this link, and what they discovered could revolutionize IBD treatment…

Two bacterial strains commonly found in the gut are behind some nasty infections, such as UTIs, meningitis and sepsis, and can lead to diarrhea and liver abscesses. The best nutrient to keep them under control is one Americans don’t get nearly enough of…

Doctors use tools to assess the risk of heart attack and stroke based on our arteries. But they’ve just been deemed “not optimal” at preventing half of heart attacks. While the medical community grapples with how to enhance early detection, there are a few things you can do at home to help…

Type 2 diabetes keeps trending up. That’s why we write about it. Not enough people know they can do something about it, starting with diet. But work smarter, not harder, with a functional food that goes straight to the core of the problem…