Do You Get Motion Sickness? This Might Explain Why, And What to Do About It

If you’re someone who suffers from motion sickness, travelling in many types of vehicles can be difficult thanks to a host of symptoms like dizziness, lightheadedness, nausea and even vomiting. But it’s not completely clear why some people can read and play games on their phone during a long drive while others spend the journey … Read more

Military Action in Chernobyl Could be Dangerous for People and the Environment

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. The site of the Chernobyl Nuclear Power Plant in northern Ukraine has been surrounded for more than three decades by a 1,000-square-mile (2,600-square-kilometer) exclusion zone that keeps people out. On April 26, 1986, Chernobyl’s reactor number four melted … Read more

Huge Study Finds Blood Proteins That Could Increase Risk of Severe COVID

Multiple factors play a role in complex diseases like COVID, and knowing what they are is important for predicting how different people will be affected. Early on in the pandemic, being older, overweight, or smoking were identified as increasing your risk of developing severe COVID. This then informed public health decisions – the elderly were … Read more

Even ‘Mild’ COVID Is Linked to Significant Brain Changes, Large Study Reveals

One of the largest COVID-19 brain imaging studies to date has shed some unsettling light on the disease’s impact on our brains. Even in those with a mild or moderate case, a SARS-CoV-2 infection was associated with “significant” neurological changes and loss of gray matter.    The study looked at the brain scans of 785 … Read more

Just One Extra Drink a Day Is Linked to Brain Shrinking, Study of 36,000 People Shows

Despite the joys that may come from a boozy Friday night, alcohol is bad for us. And not just in large quantities. Recent studies have been warning that even a moderate amount of drinking is linked to cardiovascular issues and brain damage. A new study looking at over 36,000 adults has now put the boot in as well, finding … Read more

Extremely Hot, Humid Weather Could Kill a Person Far More Easily Than We Thought

The human body might not cope with nearly as much heat and humidity as theory predicts. One of the first studies to directly assess humid heat stress among young people has found that when humidity is at an absolute max, the upper limit of human adaptability is just 31°C (87 °F).   That’s four degrees … Read more

Predators Have Evolved to Not Overexploit Their Resources. Can Humans Do The Same?

People have been trying to understand how predators and prey are able to stay balanced within our planet’s ecosystems for at least 2,400 years. The Greek author Herodotus even raised the question in his historical treatise Histories, written around 430 BC.   And when Charles Darwin published in 1859 his revolutionary theory of evolution in … Read more

Why Sex Chromosomes Matter When It Comes to Heart Disease

Most mammals, including humans, have two sex chromosomes, X and Y. One sex chromosome is usually inherited from each parent, and they pair up as either XX or XY in every cell of the body.   People with XX chromosomes typically identify as female, and people with XY chromosomes typically identify as male. The genes … Read more