We know sleep is important: it helps us rest and recharge, and not getting enough can cause all kinds of problems, from depression and difficulty concentrating to an increased risk of chronic disease. Recent research with mice has shed some light on the importance of lights-out.
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These days we’re all very familiar with stress, but while we may know how it feels, we’re less sure what exactly causes it and the full range of effects it can have on the body and brain. Now, new research with mice sheds some light on the connections between stress, sleep, depression, immunity, and more.
When we think of vaccines, we think of a shot given to a healthy subject to prevent them from becoming infected with the disease the vaccine targets. This type of preventive vaccine has worked well for many diseases, and there are now more than 20 vaccines commonly used in the United States for diseases including polio, rabies, tetanus, measles, and now, COVID-19.
They say necessity is the mother of invention, and that is certainly turning out to be the case for two COVID-19 vaccines that have sped from research through animal testing to widespread clinical testing in record time—just one year after the SARS-CoV-2 virus was first detected in China and less than 11 months after Chinese authorities shared the genetic sequence of the novel coronavirus with the world.
Animal research has played a critical role in some of the most important scientific discoveries in history, including identifying the causes and mechanics of diseases, developing vaccines, and understanding how the human body functions.
Before a vaccine can be used to protect humans from a specific disease, there is a long, careful process involving extensive research and testing to determine two main things: whether the vaccine works, and whether it is safe to use in people.
When are mice more than mice? When they have been genetically engineered to be part human.
Scientists continue to learn about how the brain works, but human memory still holds many mysteries. How exactly are memories stored and retrieved? How does the brain recognize and treat different types of memories? Can memories be changed or manipulated? How can memory be damaged or improved? Recent research has made significant strides in answering some of those questions.
With the number of COVID-19 cases approaching 16 million worldwide, the entire research world is focused on finding a vaccine for SARS-CoV-2, the virus that causes COVID-19.
One of the most interesting things scientists have discovered about COVID-19 is that men seem to be more susceptible to the virus, and to suffer more serious symptoms.