Parkinson’s disease is often pictured as a shaking hand. But for many older adults, the story may begin much more quietly. Perhaps one arm no longer swings naturally while walking.…
For years, a glass of wine with dinner was presented as one of life’s harmless pleasures—and sometimes even as a healthy habit. Red wine was associated with the Mediterranean diet.…
We tend to think about brain health in dramatic terms. We worry about forgetting names, losing concentration, struggling to find the right word, or noticing that we don’t remember things…
For years, menopause has been treated as a biological deadline that medicine could manage but not meaningfully influence. Hot flashes can be treated. Bone loss can be monitored. Sleep problems…
Have you ever been sitting quietly when, out of nowhere, an old memory suddenly appears? Perhaps you remember a friend you have not spoken to in years. Or a worry…
For some people, recovering from COVID-19 does not mean returning to their old routine. Months after the initial infection, they may still experience exhaustion, difficulty concentrating, sleep problems, dizziness, shortness…
Stress, long hours on phones, poor posture, and too much screen time can leave many people with a tight neck, heavy shoulders, headaches, or a restless mind. For older adults,…
Apple cider vinegar has gone from an old-fashioned pantry ingredient to a modern wellness obsession. You can find it in drinks, salad dressings, supplements and countless social-media health routines. Some…
For many people, getting older brings small but noticeable changes in memory. A name may take longer to come to mind. You might walk into a room and forget why…
For people trying to cut back on sugar, erythritol can seem like an easy solution. It provides sweetness with very few calories and has become common in sugar-free chocolates, protein…
For many older adults, getting a good night’s sleep becomes less predictable with age. You may fall asleep later than you once did, wake several times during the night, or…
There is one person whose voice you hear every day from morning until night. You. It is there when you wake up wondering what needs to be done. It appears…
Perhaps you remember it from childhood. A copper lota sitting quietly in the kitchen. Water poured into it before bed. By morning, it was ready to drink. For many families,…
For years, magnesium has mostly been associated with muscle cramps, bones and heart function. Mental health rarely entered the conversation. That is beginning to change. Researchers are increasingly interested in…
As we get older, food choices often become less about following the latest diet trend and more about protecting the things that matter: a healthy heart, steady energy, strong muscles…
After a busy day, most people expect relief to arrive as soon as the work is finished. But sometimes it does not. You finally sit in your favorite chair, turn…
Reaching 100 is already rare. Reaching 110 is extraordinarily uncommon. People known as supercentenarians give researchers an unusual opportunity to study healthy aging. Instead of simply asking why some people…
Blood transfusions are among the most important treatments in modern medicine. They can be lifesaving after major bleeding, during some cancer treatments, and for people with certain blood disorders. So…
Climate change can sound distant when discussed in terms of global temperature averages and computer models. But for someone trying to sleep through a hot night, manage heart disease during…
For years, walnuts have earned their reputation as a heart-friendly food because they provide unsaturated fats, plant omega-3 fatty acid (ALA), fiber and a range of plant compounds. That remains…
Polio is one of those diseases that can be easy to forget precisely because vaccination has been so successful. For older generations, however, polio may bring back very different memories:…
There is a moment many mothers know well. A daughter walks into the room and says, “I’m fine.” But somehow, her mother knows she isn’t. Perhaps it is a change…
There is something reassuring about seeing a grandchild walk through the school gates for the first time. A small backpack. A new pair of shoes. Maybe a photograph taken before…
Cancer treatment has changed dramatically over the past few decades. But for some cancers, doctors still face an uncomfortable reality: destroying the tumor can be difficult without also putting healthy…
Getting older can sometimes make the world feel smaller. Retirement may change your daily routine, friends may move away, and activities that once filled the day can gradually disappear. At…
Imagine spending weeks in an intensive care unit. The machines keeping you alive never stop. Monitors beep through the night. Nurses and doctors come in and out. Lights may remain…
Breathing is something most of us never think about. It happens thousands of times a day, quietly and automatically. But what happens when a person’s lungs become so severely damaged…
When people think about protecting their memory as they age, the usual advice is familiar: keep your mind active, read, learn new skills and stay socially connected. But there is…
Getting older is inevitable. But how we feel, function, and maintain our health as the years pass can be influenced by many factors—including nutrition. For older adults, this question has…
Aging is something we can see, but scientists increasingly understand that it is also something happening deep inside our cells. Skin becomes thinner. Wounds can take longer to heal. Collagen…
Alzheimer’s research has spent decades focusing on the toxic proteins that accumulate in the brain. Amyloid-beta plaques and tau tangles remain important features of the disease, but scientists are increasingly…
If you regularly wake up with heartburn, a sour taste in your mouth or an uncomfortable burning sensation behind your breastbone, the problem may not be what you ate alone.…
Finding a new bald patch in the mirror can be unsettling. Unlike gradual thinning, patchy hair loss can appear surprisingly quickly, leaving people wondering what caused it—and whether the hair…
Singing is usually thought of as entertainment. We sing in the shower, hum while cooking, sing along with the radio or join friends for a few songs. It feels good,…
For men entering midlife, conversations about health often become focused on testosterone. Lower energy, poorer sleep, changes in body composition and reduced exercise recovery can all raise questions about whether…
Alzheimer’s disease has traditionally been approached as a problem of abnormal proteins, with researchers developing medicines aimed at amyloid, tau and other biological targets. But a different idea is gaining…
For years, discussions about weight and metabolism have often been reduced to a familiar formula: eat less, move more. But human metabolism is considerably more complicated than that. Our cells…
When people think about dementia prevention, they often focus on what happens in their 70s or 80s. But researchers increasingly argue that some of the most important decisions may happen…
A widely discussed study about excess deaths during the COVID-19 pandemic has now been retracted by BMJ Public Health, bringing renewed attention to an important question: How can a study…
For years, hormone therapy during menopause was discussed with a level of caution that left many women unsure what to believe. The 2002 Women’s Health Initiative (WHI) results, in particular,…
For years, the conversation around alcohol and health was surprisingly complicated. Heavy drinking was clearly recognized as harmful, but lighter drinking was often discussed as relatively low-risk. That distinction is…
Eggs are one of the most common foods in American kitchens. They are affordable, versatile and an important source of protein. That familiarity can also make it easy to forget…
For decades, metformin has been one of the most familiar medicines in diabetes care. It is inexpensive, widely prescribed and generally well understood. So when doctors observed significant tumor shrinkage…
For many of us, going outside has become something we squeeze into the day rather than something built into it. We wake up indoors, commute in a car, work under…
Bread has an unfair reputation in today’s health conversations. For people trying to manage blood sugar, improve metabolic health, or simply avoid the tired feeling that can follow a carbohydrate-heavy…
For most of us, switching on a light is such an ordinary part of life that we rarely think about what it means for our biology. LED bulbs have become…
For many people, warm coastal water means summer: swimming, fishing, boating and enjoying fresh seafood. But as ocean and coastal temperatures rise, health officials continue to remind the public about…
Childhood is a period of extraordinary brain development. Experiences during those years can shape how a young person learns, responds to stress, builds relationships, and eventually handles challenges as an…
A new clinical research program is testing whether an existing drug could influence the pace of ovarian aging. The early findings are intriguing—but the treatment is still experimental, and claims…
Losing a permanent tooth can feel like a one-way event. Once an adult tooth is gone because of decay, gum disease or an injury, modern dentistry generally replaces it rather…
For years, the familiar advice has been simple: most adults should aim for around seven to nine hours of sleep each night. That remains a useful starting point. But sleep…
High blood pressure is one of those health problems that can remain almost completely invisible. A person can feel well, go about their normal routine and still have blood pressure…
For generations, dental advice has been remarkably consistent: brush twice a day, clean between your teeth, limit frequent sugary foods and drinks, and see a dentist regularly. Those habits still…
A growing body of research suggests that gratitude may support emotional well-being, stress management and sleep. But the science is more nuanced than the idea that gratitude can literally “rewire”…
For decades, the fight against atherosclerosis has focused mainly on preventing plaque from getting worse. Lowering LDL cholesterol, controlling blood pressure, avoiding tobacco and treating other cardiovascular risk factors can…
A banana with a few brown spots can look like it has reached the end of its useful life. For many people, that means one thing: time for the trash—or…
There is something wonderfully uncomplicated about going for a walk with someone you like. No expensive equipment. No complicated training plan. No need to turn every outing into a fitness…
For many people, recovering from an infection feels like the end of the story. The fever settles, the cough disappears and everyday life gradually returns to normal. But some viruses…
A record-breaking hot day can feel like an uncomfortable inconvenience. But when extreme heat becomes more frequent, lasts longer and arrives in places that were not prepared for it, the…
Chewing gum is one of those everyday habits most people rarely think about. You might chew a piece after lunch, during a long study session, or simply because you enjoy…
For many parents, measles belongs to an older chapter of medical history. It was once a routine childhood infection, spreading rapidly through schools and communities before widespread vaccination transformed the…
For years, conversations about liver health have centered on alcohol. That makes sense. Heavy alcohol consumption can damage liver cells, cause inflammation and eventually contribute to fibrosis, cirrhosis and liver…
Long hours on phones, tablets and laptops are changing how young people sit, move and use their necks. Here’s what “tech neck” really means—and what parents and teens can do…
New research on Toxoplasma gondii is revealing how a long-lasting infection can alter communication between brain cells—while raising important questions about what these changes mean for human health. Toxoplasma gondii…
How Viparita Karani, or legs-up-the-wall pose, can offer a simple way to pause after long hours of sitting, screens and everyday stress. By the middle of the day, it can…
Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi won the 2025 Nobel Prize for discoveries involving regulatory T cells and FOXP3, opening new possibilities for treating autoimmune disease and other…
Stem-cell research and kidney organoids are opening a remarkable new chapter in regenerative medicine, while the Trump administration says faster innovation could help bring future treatments to patients sooner. For…
Research suggests that practicing gratitude can support well-being and resilience—but the strongest findings are more nuanced than the viral claims about “rewiring” the brain. For generations, families have passed down…
Scientists say humans carry many of the same regeneration genes as the axolotl — they’re just switched off. Researchers are now trying to figure out how to turn them back…
Neuroscientists say new places and unfamiliar routines give a developing brain something screens and classrooms can’t. Between packed school schedules and the pull of screens, a lot of parents are…
Child psychologists say the after-school meltdown isn’t a parenting failure — it’s a sign your child trusts you completely. Every parent knows this scene. Pickup happens without a hitch. The…
Laboratory studies have found that concentrated dandelion root extracts can damage cancer cells, but researchers still face the biggest question of all: does the same effect happen safely and effectively…
Those wrinkles after a bath aren’t simply your skin soaking up water. Research suggests your nerves and blood vessels actively help create them—and the response may have a surprisingly practical…
Acupressure may offer a low-risk way to ease some nausea and discomfort during certain dizzy episodes—but it should never replace evaluation when dizziness is sudden, severe or unexplained. Can Acupressure…
Around the middle of the afternoon, something familiar happens. Your concentration starts slipping. Your eyes feel heavy. The simplest task suddenly requires more effort. You reach for coffee, push through…
You know the feeling. A difficult conversation keeps replaying in your head. A stressful message sits unanswered on your phone. You are worried about something that hasn’t happened yet, but…
A humble bowl of oats is attracting serious attention for one reason: its soluble fiber can lower LDL cholesterol. But the real science is more interesting—and more complicated—than the viral…
When people think about cardiovascular health, they usually focus on the heart, blood pressure, cholesterol, and aerobic exercise. But an important part of circulation sits much lower in the body:…
Leprosy sounds like a disease that belongs in a history book. For centuries, people with the condition were often feared, isolated and misunderstood. The word itself became associated with permanent…
It is easy to forget how quickly a daily habit becomes a lifelong habit. One soda with lunch. One sweetened coffee during the afternoon. One energy drink when exhaustion hits.…
It looks almost too ordinary to attract serious scientific attention. Black, slightly curved and intensely aromatic, black cumin seeds have been used in cooking and traditional medicine across parts of…
For many people, darkness at bedtime is no longer guaranteed. A streetlight shines through the curtains. A television glows from the corner of the room. A phone charges beside the…
There is a particular kind of exhaustion that doesn’t come from doing one difficult thing. It comes from doing too many things because you couldn’t bring yourself to say no.…
That uneasy feeling in your stomach before an exam. The sudden loss of appetite during a stressful week. The familiar “butterflies” before an important event. We often describe these experiences…
Aging happens in countless tiny steps. Cells divide. Tissues repair themselves. Inflammation comes and goes. DNA faces years of everyday wear and tear. Deep inside our cells, another process is…
If you spend hours sitting at a desk, studying, driving, or relaxing on the couch, you may know the feeling: you stand up and your lower back feels stiff, your…
What if the brain could get part of the benefit of deep sleep without the rest of the body actually falling asleep? That sounds like science fiction, but researchers are…
Stress is usually described as something we feel in the mind and body: poor sleep, tension, anxiety, headaches, or exhaustion. But researchers are now investigating a more surprising question: could…
A day at the beach rarely feels like a health risk. But as coastal waters warm during summer, one naturally occurring bacterium can become a serious concern for certain people:…
A Long Island man got sick after removing two ticks from his leg in 2021. Doctors only confirmed what actually made him ill this year — because no standard lab…
New research shows sunlight triggers immune and cardiovascular responses that have nothing to do with vitamin D — but the studies behind the excitement come with more fine print than…
A lab study found strawberry extract cut melanoma cell growth by 30% — a genuinely interesting result that’s also a textbook example of why lab findings and real-world advice aren’t…
H&N Team