The cold-sore virus many people catch in childhood often stays in the body for life, lying dormant in the nerves. That virus, herpes simplex virus type 1 (HSV-1), may play…

Karl Benke, a food safety specialist at Purdue University in the U.S., wanted to know how clean his reusable water bottle really was. One day, after wiping the inside of…

People who took antidepressants for a long time gained, on average, twice as much weight as people who never took them. The effect grew stronger over time, even among those…

Dr. Manal Mohammed, a microbiology expert at Westminster University in the UK, found E. coli on one in four pairs of shoes worn outdoors. Some strains of E. coli can…

Your kidneys do a lot more than make urine: they filter waste and excess fluid, balance electrolytes like sodium and potassium, help regulate blood pressure, support red blood cell production,…

The largest study yet on the topic found that people conceived in colder months store fat differently than those conceived in warmer months. A team from the University of Tokyo,…

People who struggle with excess weight often hear the advice: “Eat less and move more.” They’re blamed for lacking self-discipline or for not following a proper diet. But those criticisms…

We all find ourselves in situations where we need to listen to someone in a noisy environment and respond to what they’re saying. But it isn’t always easy. A new…

Researchers at the University of Glasgow analyzed large-scale data and found that regular brisk walking can significantly improve heart health. But the benefits depended on how fast and how long…

Are you a night owl? If so, you might be more prone to depression. Researchers at the University of Surrey in the UK studied why night owls tend to be…

Many of us don’t realize how beneficial vitamin K can be. It’s in everyday foods, and our bodies mainly get it from green vegetables. Most adults, especially older people, are…

Women often complain that men don’t listen to them. An international team of researchers from the UK, France, and Ecuador says there’s some truth to that — but the reason…

Excess weight, thinning hair, eczema—those are some of the changes linked to microplastic exposure. These tiny plastic particles, measuring less than 5 millimeters, are not biodegradable. They can linger in…

A team of researchers from three universities—Harvard (USA), the University of Copenhagen (Denmark), and the University of Montreal (Canada)—has identified an optimal diet for healthy aging. By healthy aging, the…

Researchers at the University of Tennessee and the University of Colorado found that a new form of intermittent fasting, called the 4:3 method, leads to slightly more weight loss than…

Researchers at Harvard analyzed the work histories and causes of death for millions of Americans. Comparing data across roughly 400 professions, they found that taxi and ambulance drivers were less…

South Korean researchers report that elevated levels of so-called ‘bad’ cholesterol in the blood may raise the risk of developing dementia. The team analyzed data from 11 university hospitals across…

We all sometimes lie awake, our minds replaying negative events and problems while nervousness and anxiety kick in. Dr. Joe Whittington, an emergency room physician known online as Dr. Joe,…

Alcohol wreaks havoc on the brain, heart, lungs, muscles, gastrointestinal tract, and immune system. An increasing number of studies indicate that alcohol is linked to cancer. Despite this, people are…

More than 55 million people worldwide are living with dementia — a number that’s never been higher. The most common form of dementia is Alzheimer’s disease, which causes declines in…

Researchers at the University of California, San Diego reached a surprising conclusion. Typically, space explorers spend about six months aboard the International Space Station (ISS). However, NASA astronauts Sunita Williams…

Sex therapists and psychiatrists generally agree that abstaining from sex for extended periods is not advisable. Dr. Sham Singh, a leading sexual-health expert and psychiatrist at the Winit Clinic in…

Stroke kills about 7 million people worldwide every year. Public awareness of stroke risk factors is low, and prevention should be a top priority for health systems, says Siobhan McLernon,…

Gray hair is one of the most visible signs of aging, and for many people it triggers anxiety. For men, graying can amplify midlife worries. For women, unexpected changes in…

A team of researchers at Johns Hopkins University has mapped how physical activity affects the chance of developing dementia. They emphasized that less exercise than previously believed can still substantially…

Frequent nightmares in midlife and later may signal a higher risk of dementia. We spend about a third of our lives asleep. Yet we know very little about why we…

Researchers at Mahidol University in Thailand analyzed data from more than 2,000 people to find which types of exercise help people fall asleep faster and sleep more deeply. The study…

The PTEN-induced kinase 1 (PINK1) protein is not typically harmful. In fact, it plays an important role by regulating cellular energy use in the brain. However, new research has shown…

A new study by researchers at the University of California, San Francisco (UCSF), using mice and human samples, found that as we age, “dormant” X chromosomes can “wake up” in…

A team of Stanford researchers led by Eric Hanushek believes that honing math and reading skills should be a constant endeavor—at work, at home, everywhere possible. This new study suggests…

Researchers at Stony Brook University have pinpointed the age when human cognitive function starts to slip. Analyzing brain scans and tests from 19,300 volunteers, they found cognitive decline begins around…

Previous studies found that a diet rich in fish, legumes, and vegetables can cut the risk of dementia by about 25 percent. Following that kind of diet between ages 48…

Most types of chewing gum sold in stores are made from synthetic rubbers derived from petroleum, similar to the plastics used in car tires. “If that makes you uneasy,” says…

Research from the University of California, San Francisco (UCSF) finds that regular exercise can help people keep their blood pressure in a healthy range. Staying active throughout life makes the…

“It’s time to pay closer attention to your toothbrush,” said Singaporean doctor Samuel Chowdhury. He pointed out that many people store their toothbrushes near the toilet, which exposes the brushes…

Scientists have long been concerned about the accumulation of tiny synthetic particles known as microplastics in human organs. A new study from researchers at the University of New Mexico found…

A team from the Massachusetts Institute of Technology (MIT) and the Free University of Berlin has harnessed mussels and mucus to create a new superglue. Researchers have long observed that…

Here’s another reason to consider biking to the office. Those who prefer this eco-friendly mode of transportation tend to take fewer sick days. Researchers at the Finnish Institute of Occupational…

Kuwaiti researchers at the Dasman Diabetes Institute (DDI) have discovered that just one night of complete sleeplessness or poor sleep can devastate the immune system and worsen inflammatory processes in…

How well your gut moves affects your health and well-being, says Nick Aylott, a biotechnologist and bioinformatician from the University of Oxford. What Did the Expert Report? Once food is…

A new study points to stress granules — tiny clusters of protein and RNA that form in cells under genetic or environmental pressure — as a possible trigger for Alzheimer’s,…

Our bodies are like museums of evolution. We walk on two legs because our common ancestor evolved that trait millions of years ago. Yet we still carry organs and functions…

When you’re traveling by car, train, or bus, which side do you choose — the sunny side or the shady side? Our insights and recommendations will help you make a…

Quality nighttime rest is often associated with the number of hours we sleep. But when we go to bed may matter more than how long we sleep. A team of…

Common scented products leave chemical trails that pollute indoor air and harm your health. A new study from Purdue University (USA) has revealed that the air inside your home can…

Researchers in the United Kingdom and Slovenia found that certain breathing patterns and brain activity could signal Alzheimer’s disease. How Did the Scientists Discover This? One of the team’s primary…

The berries of the nightshade plant — the ones blamed for killing Roman Emperor Augustus — are infamous for their toxicity. Tomatoes are also members of the nightshade family (Solanaceae)…