Diseases, Conditions, Syndromes

The COVID-19 coronavirus epidemic has a natural origin, scientists say

The novel SARS-CoV-2 coronavirus that emerged in the city of Wuhan, China, last year and has since caused a large scale COVID-19 epidemic and spread to more than 70 other countries is the product of natural evolution, according ...

Medical research

What allegations of Alzheimer's research fraud mean for patients

Alzheimer's disease is the most prevalent form of dementia and, with a rapidly aging global population, it is fueling unprecedented demand for costly patient care. There have been an estimated 400 clinical studies since the ...

Diseases, Conditions, Syndromes

Why don't antibodies guarantee immunity?

With millions of COVID-19 cases reported across the globe, people are turning to antibody tests to find out whether they have been exposed to the coronavirus that causes the disease. But what are antibodies? Why are they ...

Medications

Researchers find that aspirin alters colorectal cancer evolution

Cancer starts when cells start dividing uncontrollably. Scientists have known that taking aspirin can help protect against the development of colorectal cancer—cancer afflicting the colon or rectum—but the exact reason ...

Medical research

Scientists map entire human gut at single cell resolution

If you get nervous, you might feel it in your gut. If you eat chili, your gut might revolt, but your friend can eat anything and feel great. You can pop ibuprofen like candy with no ill effects, but your friend's belly might ...

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