It's a number everybody knows by heart — our bodies are supposed to be an average 37°C. But that number may be outdated, according to a new analysis of body temperature records going back to 1860. The study suggests the body temperature of the average U.S. man has dropped by 0.6°C since the Civil War, KQED reports. (A similar drop was found in women.) Other studies had already established these newer, lower baselines, blaming faulty thermometers for the discrepancy.

A recent article on Mercola.com decries the sad fact that much of the stevia on the market at this point is genetically modified. Anyone who cares a modicum about their health (and presumably stevia users would fall in this category) is likely outraged that this natural sweetener has been degraded in such a way.

This highlighted the subject of alternative sweeteners for us here at Objective:Health, causing us to look a little deeper. Are alternative sweeteners really all they're cracked up to be? Is stevia, even in its whole plant form, completely innocuous and safe? Are large quantities of isolates normally found in small quantities in nature OK to be bingeing on?

Join us for our newest deep dive into sweeteners. Do we even need stevia?


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Common medical imaging procedures use low doses of radiation that are believed to be safe. A new study, however, finds that in human cell cultures, these doses create breaks that allow extra bits of DNA to integrate into the chromosome. Roland Kanaar and Alex Zelensky of Erasmus University Medical Center and Oncode Institute and colleagues report these new findings in a study published 16th January in PLOS Genetics.

Scientists have long known that exposing cells to high doses of ionizing radiation generates mutations by creating double-strand breaks that let in external segments of DNA. These extraneous fragments of DNA can occur in the nucleus, left over from natural processes, such as genomic DNA repair and viral infections. In the new study, researchers investigated whether low doses of ionizing radiation have damaging side effects by irradiating human and mouse cells grown in the lab. When they counted the cells that had taken up foreign DNA, they found that low doses of radiation, in the upper range of common diagnostic procedures, create mutations through inserted DNA even more efficiently than the much larger doses studied previously.

While the new results in cell cultures are potentially concerning, the study's authors stress that translating radiation's effects on lab-grown cell cultures to effects in the body is premature. Future experiments using animal models will be necessary to determine the full effects of low-dose radiation, and whether its use in medical imaging has an impact on patient health. If the same phenomenon does occur inside the body, then doctors may need to take into account levels of extraneous DNA, such those resulting from a long-term viral infection, when assessing a patient's risk from a procedure that requires radiation.

"Most molecular radiobiological research is focused on high doses of ionizing radiation relevant to cancer treatment, while effects of physiologically relevant doses of radiation on the cell are notoriously difficult to study at the molecular level," said author Roland Kanaar. "Our discovery that mutagenic insertion of foreign DNA into cell's genome is remarkably responsive to doses encountered during diagnostic, rather than therapeutic, procedures provides a new simple and sensitive tool to study their consequences and revealed surprising molecular genetic details of how cells cope with natural amounts of DNA damage."

Bees are major fans of hemp and a recent study has found that the taller the hemp plants are the larger the number of bees that will flock to it.

The new research, spearheaded by researchers at Cornell University and published last month in Environmental Entomology, shows that humans aren't the only fans of weed. The findings also reinforce a study published last year at Colorado State University that discovered the same thing.

The study shows how bees are highly attracted to cannabis due to the plant's plentiful stores of pollen, and it could pave the way for scientists to figure out new ways to support their struggling population as well as floral populations.

According to the study, the greater the area covered by the hemp plant the greater the chance that bees will swarm to the area. Additionally, those hemp plants that are taller have a much greater likelihood of attracting bees with the tallest plants attracting a stunning 17 times more bees than the shortest plants.

The number of doctors over the age of 65 in the United States has almost quadrupled since 1975 reaching more than 300,000, according to the American Medical Association. And those figures have led to more questions after a new report shows that many aging doctors are experiencing significant memory loss.

A group of researchers at Yale University presented results from a three-year program where doctors over the age of 70 were tested for memory skills, according to a new report in the Journal of the American Medical Association. The hospital administrators used a variety of neurocognitive tests to detect age-related memory problems.

Doctors who wanted to renew their appointment to the medical staff had to meet a specific score to continue to see patients without any supervision.

In the program, the group examined 141 healthcare providers over three years between the ages of 69 and 92. About 57% of those tested were allowed to continue working, while 24% were required to be closely monitored as they showed mild memory impairments. Meanwhile, 13% of the healthcare workers were found to have more severe memory impairments where they were required to be either supervised or asked to retire from working with patients.

A group of researchers has brought the idea of food as a medicine one step closer. They have identified certain common foodstuffs that alter our microbiome.

In science today, food and gut bacteria are two topics that are guaranteed to fuel interest and debate. Both, of course, are interrelated, and a new study focuses on some subtleties of this relationship.

The lack of a healthy population of gut bacteria compromises our health; the same is true when we do not eat a healthful diet. However, scientists do not entirely understand the exact impact of specific foods on gut bacteria.

This knowledge gap is due, in part, to the unbelievable complexity of the microbiome. One factor that muddies the water is bacteriophages, or phages for short.

Nottingham's two Michelin-starred chef Sat Bains' refusal to bow down and serve a vegan menu has won overwhelming support from NottinghamshireLive readers.

The chef said he is not anti-veganism and has enjoyed vegan food himself but it's his choice not to serve it his world-acclaimed Restaurant Sat Bains.

And he questioned the ethics of those who buy vegan burgers from a deep-fried chicken shop.

New UC Riverside research shows soybean oil not only leads to obesity and diabetes, but could also affect neurological conditions like autism, Alzheimer's disease, anxiety, and depression.

Used for fast food frying, added to packaged foods, and fed to livestock, soybean oil is by far the most widely produced and consumed edible oil in the U.S., according to the U.S. Department of Agriculture. In all likelihood, it is not healthy for humans.

It certainly is not good for mice. The new study, published this month in the journal Endocrinology, compared mice fed three different diets high in fat: soybean oil, soybean oil modified to be low in linoleic acid, and coconut oil.

Sepsis is now a bigger killer than cancer worldwide and claims the lives of nearly five times as many Americans as breast cancer reach year, a new study finds.

One person every three seconds dies from the condition worldwide, which accounts for almost a fifth of global deaths, say researchers.

Their Global Burden Of Disease Report (GBDR) on sepsis estimates there were 48.9 million cases in 2017, and 11 million deaths, across 195 countries and territories.

This equates to just under a fifth (19.7 percent ) of all global deaths that year, including 189,623 deaths in the US, about a third as many Americans as are killed by any cancer annually.

The most recent global estimate, in 2016, was of 19.4 million cases and 5.3 million deaths, based on data on adults in hospitals in seven high-income countries.

As reported by U.S. Right to Know last May, court documents showed that a domestic policy advisor at the White House said, 'We have Monsanto's back on pesticides regulation.'

In a new and unsettling report from the Center for Biological Diversity, we now have confirmation that this promise is being kept.

The study, called Toxic Hangover: How the EPA Is Approving New Products With Dangerous Pesticides It Committed to Phasing Out, found that the EPA approved 1,190 pesticide products and denied only 71 in the 2017-2018 time period, giving it a 94% approval percentage.

And for the products that were denied, they were rejected largely because of procedural issues, such as minimum study or packaging requirements having not been met, rather than toxicity concerns.