A new study says liver cancer screening guidelines must change. (AP Photo/Jessica Kourkounis)
A new study says liver cancer screening guidelines must change. (AP Photo/Jessica Kourkounis)In a new study, researchers at New York's Mount Sinai are calling for revised screening guidelines to reduce the number of African Americans with hepatitis C who are dying from liver cancer at rates higher than people from other racial groups, and they are seeing similarly disconcerting patterns in ongoing research into other subsets of Black patients with liver cancer.

New evidence points to a link between psychiatric disorders and early-onset Alzheimer's disease. (AP Photo/Charles Krupa)
New evidence points to a link between psychiatric disorders and early-onset Alzheimer's disease. (AP Photo/Charles Krupa)Alzheimer’s disease can develop years earlier in individuals with depression, anxiety or other psychiatric disorders than in those without, finds a new preliminary study released Wednesday, in advance of an American Academy of Neurology virtual gathering.

A new kind of bone cells with potential therapeutic uses has been found. (Study authors)
A new kind of bone cells with potential therapeutic uses has been found. (Study authors)A newly discovered type of cell found in the blood and bone marrow is poised to reveal novel and targeted therapeutic approaches for osteoporosis and other skeletal diseases.

Antidepressants might have an unexpected benefit for COVID-19 sufferers. (AP Photo/Darron Cummings)
Antidepressants might have an unexpected benefit for COVID-19 sufferers. (AP Photo/Darron Cummings)Results published in Molecular Psychiatry this month found a significant association between antidepressant use and a lower risk of intubation or death in hospitalized COVID-19 patients, adding to a body of converging evidence highlighting the potential of certain antidepressants to treat severe cases of the disease.

A woolly mammoth tusk emerges from permafrost on central Wrangel Island, located in northeastern Siberia.(Love Dalén)
A woolly mammoth tusk emerges from permafrost on central Wrangel Island, located in northeastern Siberia.(Love Dalén)A study published in Nature on Wednesday reports that the oldest DNA information ever recorded, from up to 1.65 million years ago, was extracted from the molars of mammoth specimens, one of which belonged to a previously unknown lineage.

Humans may face bigger challenges on Mars than previously thought. (Pixabay/Aynur Zakirov)
Humans may face bigger challenges on Mars than previously thought. (Pixabay/Aynur Zakirov)The first observational research showing that gravity waves triggered by major dust storms could cause the escape of atmospheric gases from Mars into outer space does not bode well for human settlement, according to scientists working with NASA.

Hawaiian Polynesian ancestry may have some health dangers associated with it. (AP Photo/Audrey McAvoy)
Hawaiian Polynesian ancestry may have some health dangers associated with it. (AP Photo/Audrey McAvoy)There is a link between Polynesian Hawaiian ancestry and increased risk of Type 2 diabetes, heart failure and obesity, according to a first-of-its-kind genetic study published on Thursday.

New evidence shows Type 1 diabetes affects children's brains. (AP Photo/Bikas Das)
New evidence shows Type 1 diabetes affects children's brains. (AP Photo/Bikas Das)Brain volume and IQ are lower in children with Type 1 diabetes compared to children without, a new study published by the American Diabetes Association reports.

CRISPR is giving docs a new way to go after AML. (AP Photo/CDC)
CRISPR is giving docs a new way to go after AML. (AP Photo/CDC)A Mount Sinai research team built the first cellular model to depict progression of acute myeloid leukemia, or AML, from early to late stages through CRISPR gene editing, paving the way to improve targeted therapies and early interventions.

Children appear to carry COVID-19 at a very low rate. (AP Photo/Jessica Hill)
Children appear to carry COVID-19 at a very low rate. (AP Photo/Jessica Hill)In a first-of-its-kind study estimating antibodies from the viral infection that causes COVID-19 in preschool settings, French researchers found the rate of infection in children to be as low as 3.7%, reinforcing previous research suggesting day care centers remained relatively safe during the pandemic.