Oncology & Cancer

Q and A: What is the benefit of visiting a genetic counselor?

DEAR MAYO CLINIC: My grandmother and mother, as well as an aunt and a cousin, have had breast cancer. Another cousin was diagnosed with colon cancer recently. It has been suggested that I undergo genetic counseling to determine ...

Diseases, Conditions, Syndromes

Dutch farm worker likely got COVID-19 from mink: minister

A Dutch mink farm worker likely caught coronavirus from the animals kept there, in the country's first reported case of animal-to-human transmission, the agriculture minister said.

Medical research

Understanding the evolution of SARS and COVID-19 type viruses

As COVID-19 sweeps the world, related viruses quietly circulate among wild animals. A new study shows how SARS-CoV-2, the virus that causes COVID-19, and SARS-CoV-1, which caused the 2003 SARS outbreak, are related to each ...

Diseases, Conditions, Syndromes

Tracking virus mutations reveals success of stay-at-home orders

A family tree of more than 200 variations in the virus that causes COVID-19 helps explain why two Wisconsin counties—just 75 miles apart, but far from the origins of the virus—had such different early experiences with ...

Genetics

DNA testing helps with family histories

As she swabbed the inside of his cheek, Patt Heise assured her 84-year-old father that she wasn't crazy, just curious. She mailed off the saliva sample and waited for results. Her dad died a month later, too early to find ...

Neuroscience

Researchers trace spinal neuron family tree

Spinal cord nerve cells branching through the body resemble trees with limbs fanning out in every direction. But this image can also be used to tell the story of how these neurons, their jobs becoming more specialized over ...

Diseases, Conditions, Syndromes

More variants but delta still dominates

A new variant of COVID-19 detected in South Africa known as B.1.1.529 has caused flight bans and a scramble to determine vaccine efficacy.

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