Your blood can hold a record of past illnesses. That information can reveal how many people have had a certain infection – like 58% of Americans having had COVID-19 by the end of February 2022.
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Articles on Blood
Displaying 21 - 40 of 83 articles
Life-saving blood is needed for everything from treating cancers and chronic conditions to helping trauma victims. But blood donations have dropped to crisis levels during the pandemic.
Sensors that measure sweat could be coming to the market soon, but for them to be useful, we’ll need to understand more about this fluid that our body produces.
Blood plays a vital role in keeping us alive, from delivering oxygen to the body’s organs to fighting off infections.
European regulators are investigating a possible link between the vaccine and a second rare blood disorder.
Our bodies heal in some amazing ways. Scabs can be an important part of the healing process after we get a cut or a graze.
New laws due this summer will allow gay men who have had the same partner for three months or more to give blood
For 200 years, a small number of countries have exploited the marine wildlife of Antarctica, often with devastating impact on their populations.
Pink blood, green blood, or no blood at all – when it comes to what’s inside a worm’s body, the answer is more complicated – and fascinating – than you’d think.
A potential shortage of crucial blood plasma highlights the case for paying Canadians for plasma donations, rather than continuing to import most plasma from the United States, where donors are paid.
We’re full of blood – around five litres, on average.
A century old therapy is being tested on patients with COVID-19.
A fetus needs oxygen long before its lungs work and it’s exposed to the air. Some ingenious biochemistry explains how the mother’s blood delivers it.
COVID-19 causes blood clots in some people. If these clots get into the lungs, brain or heart, they can cut off blood supply and oxygen, causing pulmonary embolisms, strokes or heart attacks.
Have you ever felt a piercing pain in your head when you eat something cold?
After your body fights off an infection, antibodies remain in your blood. Two researchers explain how tests identify these antibodies and what the data can be used for.
Before a vaccine is available to teach your immune system to ward off the coronavirus, maybe you can directly use molecules that have already fought it in other people.
Grisly early experiments laid the foundation of our understanding of how to keep organs ‘alive’ in isolation.
Our bodies are made up of cells that multiply to repair our organs. But organs like our liver and skin are better at regeneration than our brain.
We can answer this question by looking at the differences between the first, second and third layers of our skin.
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