Author: healthadmin

Ethiopian fossils are reshaping one of the greatest stories in human history. Instead of an orderly march from ape-like ancestors to modern humans, evidence from the Lady Gerar field site points to a far more troubling and fascinating reality. This means that multiple human relatives may have shared the same African landscape at the same time. An international research team studying fossils from the site found evidence of: Australopithecus and the earliest known member homo They lived in the same area from about 2.6 million to 2.8 million years ago. This fossil also indicates that it is a species of…

Growing up in an unfavorable environment not only impedes cognitive development but also weakens a person’s natural willingness to trust others later in life. Recent research published in Personality and Social Psychology Bulletin In general, higher intelligence makes people more trustworthy, but it has been found that this social benefit is halved if a person experiences adversity in childhood. These findings suggest that childhood difficulties prevent individuals from reaping the typical rewards of cognitive skills and create long-term barriers to social mobility. Trusting strangers is a fundamental requirement for society to function. Generalized trust is the basic belief that other…

An undersea fault deep in the eastern Pacific Ocean, about 1,000 miles west of Ecuador, has been producing magnitude 6 earthquakes with alarming regularity for at least 30 years. Earthquakes occur approximately every five to six years, rupturing roughly the same part of a fault repeatedly and reaching roughly the same magnitude. Such consistency is extremely rare in earthquake science, and researchers have long struggled to explain how the pattern continues so reliably. Now, scientists say they’ve finally identified the reason. New research published in journal science It turns out that special areas within the fault itself act as a…

In Aldie, Virginia, an Amazon data center was built about 50 feet from homes on what was until recently agricultural land.Jahi Chikwendu/Washington Post/Getty Get your news from sources that are not owned and controlled by oligarchies. Sign up for free mother jones daily. maybe virginia Some are for hobbyists, and more recently, some are for data centers. The state has more data centers than anywhere else in the world, and companies are pushing to build more, including around Manassas National Battlefield Park, the nation’s most sacred site. “I don’t think people realize what’s really going on, how much ground is…

Researchers at Marshall University’s Joan C. Edwards School of Medicine have found new evidence that small particles produced in the gut may contribute to inflammation and chronic diseases associated with aging. The findings provide new insights into the relationships between biological stress related to gut health, metabolism, immune function, and even sleep. This study aged cellsfocuses on intestinal exosomes, microparticles that cells use to communicate by carrying proteins and genetic material throughout the body. Scientists have discovered that exosomes from older animals contain molecular signals associated with insulin resistance, inflammation, and damage to the intestinal barrier. When these exosomes were…

Over the years, I have noticed the same trends while working as a public health dentist and researcher. Patients with serious infections deep in their teeth are more likely to suffer from broader health issues, especially diabetes. At the time, the connection was unclear. Now, a growing body of scientific evidence is beginning to explain it. Treating deep tooth infections may also improve your body’s ability to control blood sugar levels. A tooth infection may seem like a small, localized problem, but researchers have found that its effects can spread throughout the body. A recent study found that people who…

Artificial intelligence chatbots routinely answer public questions about sensitive health topics like addiction, providing mostly accurate yet highly generalized information. A recent evaluation found that while chatbot responses are generally in line with national guidelines, they often lack the contextual details needed to make individualized health decisions. These descriptive findings were recently published in the journal Drug and Alcohol Dependence. Substance use disorder is a chronic medical condition defined by the compulsive use of drugs or alcohol despite negative physical, social, and emotional consequences. Official medical diagnostic frameworks view conditions on the basis of varying degrees of severity, rather than…

As summer approaches, many people are looking to get back into healthier exercise habits. Most of us already know that physical activity is important, but it can still feel difficult to stick to a routine, especially when time is limited. Current health recommendations recommend exercising for at least 2.5 hours each week, with 5 hours considered even better. For many, that goal may seem daunting. However, research over the past 20 years suggests that the amount of exercise needed to achieve meaningful health benefits may be much lower than many people assume. Researchers say just 30 minutes of high-intensity exercise…

During the 2016 U.S. presidential election, digital ads aimed at preventing people from voting primarily targeted specific demographics. People who saw these unreleased political ads were less likely to vote than those who didn’t see them. The study, published in PNAS, presents real-world data linking personalized social media messaging and offline voting behavior. Political campaigns have a history of attempting to demobilize selected segments of the population. This practice is known as voter suppression. This includes targeted strategies aimed at dissuading or preventing opposing population groups from voting. Historically, voter suppression manifested itself through physical intimidation and harsh localized regulations.…

As global temperatures rise, many believe that the worsening heat will cause residents to abandon warming regions in large numbers. However, a new study has been published in a journal. sustainability The study reveals that rising temperatures are not the only driver of mass migration in the United States, but rather slow the rate of new arrivals in areas that are unusually hot. These results suggest that economic opportunity and housing conditions are more important drivers of human mobility than gradual climate change. Research on climate adaptation typically focuses on large-scale government policies and municipal infrastructure projects. Less attention has…