Index

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.

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.

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.

Cancer is rising in adults under 55, and researchers are looking beneath the surface for answers. A surprising clue points to a hidden change inside some younger bodies that could reshape ideas about cancer and aging.

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…

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…

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…

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…

Potatoes have been treated like dietary villains. But one colorful variety may be hiding surprising benefits for blood pressure, gut health and the body’s cancer defenses — thanks to a powerhouse antioxidant compound.

Think walking is enough for heart protection? A cardiologist explains why women who skip strength training may be missing out on an opportunity to lower heart attack risk by almost 45 percent…

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?

You don’t need a gym, a trainer or a long workout to make sure your strength is there when you need it most. A simple four minute resistance routine helped older adults make gains in the everyday skills that matter for staying fit and independent.

Deciding to make healthy changes can be daunting, what with so many to choose from and all. If you want to avoid setting yourself up for failure but want to be healthier and happier, get started with this one simple thing…

Ultra-processed foods have long been linked to high blood pressure and heart trouble. New research points to eight stealthy additives that may explain why. And they’re hiding in packaged, shelf-stable and ready-to-eat foods on grocery shelves…

Can 10 minutes of exercise help your body fight cancer? It may not sound like much. But when it comes to teaching your body to become a tougher place for cancer to grow, it’s a very good place to start.

Your brain’s nightly “dishwasher” relies on cerebrospinal fluid to help clear waste. Power it up with a simple body movement that supports the process in a surprising way: a hydraulic-like connection between the abdomen, spine and brain.

Most people expect pain after surgery. But one common vitamin deficiency could make that pain worse — leaving patients in need of more opioid medication to get through recovery. That’s not surprising once you know this vitamin’s pain-relieving links…

Protein after 50 isn’t just about preserving muscle. Leucine, a key amino acid found in protein-rich foods, may also help support the mitochondria that power your cells, making it part of a bigger strategy for cellular energy and healthy aging.

After years of mixed findings, a new meta-analysis may explain why vitamin D helps depression symptoms in some studies but not others: Like with medicine, dosage matters…

Most of us snack. That’s not inherently a problem, it’s actually an opportunity. Done right, you’re giving your body extra chances to take in the nutrients it genuinely needs more of. Here’s how to make the most of it…

Most people think of peppermint as a remedy for digestion. But a new study found the minty herb may also help lower blood pressure, especially when numbers are just starting to creep up. The catch? How you use it matters…