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For many of us, darkness at night is becoming harder to find. Streetlights, buildings, electronic devices, and even small lights in the bedroom can keep us exposed to artificial light long after the sun goes down. New research suggests that repeated nighttime light exposure may have effects on the heart, including changes to its structure and how it functions, which could increase the risk of cardiovascular problems over time.
If you're trying to improve your health by walking more, you may not need to focus only on reaching a certain number of steps. A new study suggests that how quickly you walk may matter just as much. Researchers found that both walking more and picking up the pace were linked to a lower risk of death, including death from cardiovascular disease.
The simple choice between an elevator and a staircase could have implications for long-term health. A new review and meta-analysis found that regularly climbing stairs was linked to improved cardiovascular health and a lower risk of dying prematurely.
As we age, it becomes harder to lose body fat without also losing valuable muscle. A new study suggests one type of exercise may offer the best of both worlds. Researchers found that while all forms of exercise helped healthy older adults reduce body fat, only high-intensity interval training (HIIT) preserved lean muscle mass.
We know that obesity can raise the risk of heart disease, type 2 diabetes and other health conditions. And, for years, BMI has been one of the most common ways to assess weight-related health risks. But for older adults, BMI may not provide the full picture. In a new study, an increased waist size was associated with an increased risk of premature death among adults 65 and older.Waist size is a simple way to estimate the amount of visceral fat a person may have.
Millions of people around the world start their day with a cup of coffee. In 2021 alone, approximately 10 billion tons of coffee were consumed globally. With consumption at such a high level, researchers are taking a closer look at how these beverages may affect health. A recent study suggests that how much coffee you drink may influence its benefits, adding to evidence that coffee may have several positive effects on eye health.
Have you ever opened the fridge and found a little patch of mold growing on your fruit or vegetables? Your first thought might be to simply cut off the bad spot and eat the rest. It seems like a reasonable way to avoid wasting food, but new research suggests that may not be enough. Manypeople take this approach, but mold and its toxins can spread beyond what you can see.
Ultra-processed foods (UPFs) are highly manufactured food products often loaded with additives, fat, sugar, sodium, and calories. Research suggests they may do more than contribute to excess calories, potentially reducing protective fatty acids and increasing metabolic stress.
Do you usually eat breakfast at the same time each day, or do busy mornings sometimes leave you skipping breakfast and eating an early lunch instead? A new study suggests that when you eat your first and latest meals daily may be tied to longevity. While earlier studies have connected breakfast skipping and eating late at night with worse health outcomes, researchers have had less evidence about whether eating at certain times of day carries different risks.
As aging progresses, it is often accompanied by increased body fat, reduced insulin sensitivity, and less efficient energy metabolism. Interventions such as regular exercise and caloric restriction have been shown to support healthy aging, but they are not always practical over the long term. Researchers are now exploring therapeutic alternatives that can reproduce similar metabolic benefits.
The risk of dementia may be influenced long before symptoms appear. New research suggests that avoiding three key midlife risks could help extend the number of years people live without dementia. Those free of all three risk factors experienced roughly 13 additional dementia-free years compared with people affected by all three.
While it’s well known that processed foods can harm health, a new study reveals the problem runs deeper than just excess calories, refined carbs, or unhealthy fats. Researchers found that certain preservative additives are independently associated with increased risk of high blood pressure and cardiovascular disease.