What you should know about dehydration Dehydration occurs when more water and fluids leave the body than enter it. Even low levels of dehydration can cause headaches, lethargy, and constipation. The human body is roughly 75 percent water. Without this water, it cannot survive. Water is found inside cells, within…

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Food industry ‘shares blame’ for severity of COVID-19 pandemic As evidence mounts that overweight and obese people are at much greater risk of developing life threatening COVID-19 consequences, public health experts have called on manufacturers to stop promoting the consumption of calorie laden food and drinks. Writing in the BMJ, scientists…

Green spaces in cities can help people live longer The world’s largest review to date has recently established just how important urban green space is for staving off premature death. Some 63% of people in the United States live in cities. Some cities are greener than others — Philadelphia, for example, has…

Covert narcissist is a term to describe a person who has narcissistic personality disorder (NPD) but does not display the grandiose sense of self-importance that psychologists associate with the condition. They may appear shy or modest. Other names for covert narcissism include closet narcissism or introverted narcissism. Researchers tend to use the…

White people in the United States have protection from racial stress. Engaging in conversations about racism may trigger a range of defensive actions, feelings, and behaviors, such as anger, fear, and silence. Although white fragility is not racism, it may contribute to racism by dismissing white domination and racial conditioning.…

Scientists from Scripps Research have shown how anesthetics cause clusters of lipids in the cell membrane to break apart, triggering downstream processes that lead to a loss of consciousness. Anesthesia is one of the biggest mysteries of neuroscience. Despite health professionals using it every day for more than 150 years,…

Blood types are a classification of blood based on the antigens present on red blood cells. Antigens are molecules that can trigger an immune system response. There are eight common blood groups but 36 human blood groups in total. A blood transfusion is a procedure that restores blood to the body. It…

Creative Biolabs can offer advanced Vaccine Design for your specific requirements that cover Pathogen-Based Vaccine and Target-Based Vaccine. The pathway of a vaccine faces a high risk of attrition at many stages in the process from discovery through early development. Creative Biolabs’ strong expertise in vaccine design allows us to help…

A new study warns that around 40–45% of people who contract SARS-CoV-2 most likely remain symptom-free. Such cases may contribute to the “silent spread” of the virus. Moreover, even asymptomatic people may experience long-term respiratory issues, the study authors caution. In considering the spread dynamics of the new coronavirus — or SARS-CoV-2 —…

Another issue that the researchers draw attention to in their review is the impact of the new coronavirus on the health of asymptomatic individuals. Looking at CT scan results for a cohort of 76 asymptomatic individuals who were present on the Diamond Princess cruise ship, they found that 54% of these individuals presented…

Dr. Topol and Oran reviewed the data of SARS-CoV-2 studies that included clear information about testing methods for diagnosing infection with the virus. They ended up assessing studies of 16 different cohorts, including groups of cruise ship passengers, prison inmates, and nursing home residents tested for COVID-19. “What virtually all…

If you buy something through a link on this page, we may earn a small commission. How this works. Humans are born into social groups and live their entire lives as a part of society, so the social element can’t easily be removed from the evolution of an individual. But how…

As evidence mounts that overweight and obese people are at much greater risk of developing life threatening COVID-19 consequences, public health experts have called on manufacturers to stop promoting the consumption of calorie laden food and drinks. Writing in the BMJ, scientists at the Wolfson Institute of Preventive Medicine, part of Queen…

If I asked you to identify the biggest asshole in your life right now, how quickly would you be able to come up with a name? Some of us might be able to list three or four assholes with whom we interact on a daily basis, plus all of the…

Have you ever heard that taking vitamin D supplements or following a ketogenic (keto) diet will protect you from the new coronavirus? In this Special Feature, we explain why these and other persistent myths are not grounded in science. All data and statistics are based on publicly available data at…

In this Special Feature, we look at the racialized impact that COVID-19 has on black communities in the United States, using expert opinions and rounding up the available evidence. The issue of how race-related health inequalities are affecting several disadvantaged groups, and black communities in particular, in the U.S. is…

Being aware of the signs and symptoms of blood clots can help people seek treatment if they experience them. Blood clots are semisolid clumps of blood that form in veins or arteries.  A blood clot may be stationary (known as a thrombus) and block the flow of blood. Or, it might break…

During pregnancy, a person’s blood pressure should stay within the normal range. Very high or low blood pressure requires medical attention. According to the American Heart Association (AHA), a healthy person should have a blood pressure reading of less than 120/80 millimeters of mercury (mm HG).  The top number, or systolic,…

Plasma donation, also known as apheresis, can help save lives. It is a relatively safe procedure, but there can be minor side effects.  Plasma is the liquid part of the blood. It contains proteins and antibodies that are crucial for clotting and immunity. Around 55% of the blood is plasma. Plasma donation…

In the latest installment of our “Hope Behind the Headlines” series, we look at the SARS-CoV-2 vaccine trials that have been progressing successfully, and at one promising therapeutic approach for COVID-19: Convalescent plasma therapy. The COVID-19 pandemic has been taking its toll on the world for months now, but researchers…

A study has found that older men may worry less about COVID-19 and may be less likely to make behavioral changes in response to the pandemic. New research has found that despite being a more at-risk demographic, older men are likely to worry less and make fewer behavioral changes in…

Dreams are stories and images that our minds create while we sleep. They can be entertaining, fun, romantic, disturbing, frightening, and sometimes bizarre. They are an enduring source of mystery for scientists and psychological doctors. Why do dreams occur? What causes them? Can we control them? What do they mean?…

In lucid dreams, the dreamer realizes they are dreaming even as they remain asleep. What is the science behind this intriguing consciousness phenomenon? This special feature looks at the current research.  Typically, when we dream, we are not aware that we are dreaming, and the most unlikely events, characters, and…

In this feature, we discuss six studies that uncover new and unexpected truths about the organ we hold in our skulls. Neuroscience is never easy, but the resulting intrigue is worth the effort. The brain is the pivotal hub of our central nervous system. Through this organ, we take note…

Working with a mouse model of Alzheimer’s, scientists have developed an imaging technique for detecting changes in the texture of the retina that are associated with the disease. Early diagnosis of the condition could aid efforts to slow its progression. More than 5 million people aged 65 or older in…

A liver transplant involves surgically removing a liver that is no longer functioning properly, and replacing it with a healthy liver, or a portion of one, from a donor. Most donated livers come from people who have died. They come from registered organ donors or people whose next of kin…

A pancreas transplant replaces a person’s pancreas when it can no longer produce insulin. A healthy insulin-producing pancreas is transplanted from a donor who has died.  The first pancreas transplant was in 1966. However, it was not until the 1990s that this kind of transplant was widely accepted by doctors.  What…

People with failed or damaged kidneys may have difficulty eliminating waste and unwanted water from the blood. Dialysis is an artificial way of carrying out this process. Dialysis substitutes the natural work of the kidneys, so it is also known as renal replacement therapy (RRT).  Healthy kidneys regulate the body’s…

When a person needs an organ transplant, it is because one of their organs is working very poorly or failing. Undergoing an organ transplant can lengthen a person’s life and allow those with a chronic illness to live a normal lifespan. Many people need an organ transplant due to a genetic…