ScienceDaily: Top Health News

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• Hypothesis underlying the sensitivity of mammalian auditory system overturned
• Rewriting the recent history of productive Cascade Arc volcanoes
• An AI algorithm to help identify homeless youth at risk of substance abuse
• Study explores the association of malaria, HIV with anemia during pregnancy
• Social connection is the strongest protective factor for depression
• Scientists demonstrate how genetic variations cause eczema
• Weight between young adulthood and midlife linked to early mortality
• Newly identified gut cells nurture lymph capillaries
• This online calculator can predict your stroke risk
• Many medical 'rainy day' accounts aren't getting opened or filled
• Researchers discover the microbiome's role in attacking cancerous tumors
• Seasonal flu vaccinations don't 'stick' long-term in bone marrow
• Becoming a nerve cell: Timing is of the essence
• Syphilis may have spread through Europe before Columbus

Hypothesis underlying the sensitivity of mammalian auditory system overturned Posted: 14 Aug 2020 11:29 AM PDT A new study challenges a decades-old hypothesis on adaptation, a key feature in how sensory cells of the inner ear (hair cells) detect sound.

Rewriting the recent history of productive Cascade Arc volcanoes Posted: 14 Aug 2020 11:29 AM PDT Volcanic eruptions in the Cascade Range of the Pacific Northwest over the last 2.6 million years are more numerous and closely connected to subsurface signatures of currently active magma than commonly thought, according to newly publish research.

An AI algorithm to help identify homeless youth at risk of substance abuse Posted: 14 Aug 2020 10:10 AM PDT While many programs and initiatives have been implemented to address the prevalence of substance abuse among homeless youth in the United States, they don't always include data-driven insights about environmental and psychological factors that could contribute to an individual's likelihood of developing a substance use disorder. Now, an artificial intelligence (AI) algorithm could help predict susceptibility to substance use disorder among young homeless individuals, and suggest personalized rehabilitation programs for highly susceptible homeless youth.

Study explores the association of malaria, HIV with anemia during pregnancy Posted: 14 Aug 2020 10:10 AM PDT Pregnant women from sub-Saharan Africa with malaria and human immunodeficiency virus (HIV) have a higher prevalence of anemia than pregnant women without infections, according to researchers. The findings may have implications for reducing the risk of death in pregnant women and preventing low birth weights and neurocognitive impairment in their children as a result of anemia.

Social connection is the strongest protective factor for depression Posted: 14 Aug 2020 10:10 AM PDT Researchers have identified a set of modifiable factors from a field of over 100 that could represent valuable targets for preventing depression in adults. The team named social connection as the strongest protective factor for depression, and suggested that reducing sedentary activities such as TV watching and daytime napping could also help lower the risk of depression.

Scientists demonstrate how genetic variations cause eczema Posted: 14 Aug 2020 09:32 AM PDT New research delineates how two relatively common variations in a gene called KIF3A are responsible for an impaired skin barrier that allows increased water loss from the skin, promoting the development of atopic dermatitis, commonly known as eczema. This finding could lead to genetic tests that empower parents and physicians to take steps to potentially protect vulnerable infants from developing atopic dermatitis and additional allergic diseases.

Weight between young adulthood and midlife linked to early mortality Posted: 14 Aug 2020 08:31 AM PDT A new study finds that changes in weight between young adulthood and midlife may have important consequences for a person's risk of early death.

Newly identified gut cells nurture lymph capillaries Posted: 14 Aug 2020 07:17 AM PDT IBS research team has identified new subsets of gut connective cells, which are crucial for lymphatic growth.The findings imply a crucial link between the physiology of intestinal environment and biological interactions between cell types.

This online calculator can predict your stroke risk Posted: 14 Aug 2020 07:16 AM PDT Doctors can predict patients' stroke risk by using an online tool that measures the severity of their metabolic syndrome, a conglomeration of conditions that includes high blood pressure, abnormal cholesterol levels and excess body fat.

Many medical 'rainy day' accounts aren't getting opened or filled Posted: 13 Aug 2020 03:20 PM PDT One-third of the people who could benefit from a special type of savings account to cushion the blow of their health plan deductible aren't doing so, a new study finds. And even among people who do open a health savings account, half haven't put any money into it in the past year. This means they may be missing a chance to avoid taxes on money they can use to pay for their health insurance deductible and other costs.

Researchers discover the microbiome's role in attacking cancerous tumors Posted: 13 Aug 2020 11:49 AM PDT Researchers have discovered which gut bacteria help our immune system battle cancerous tumors and how they do it. The discovery may provide a new understanding of why immunotherapy, a treatment for cancer that helps amplify immune response, works in some cases, but not others. The findings show combining immunotherapy with specific microbial therapy helps the immune system to recognize and attack cancer cells in three forms of cancer.

Seasonal flu vaccinations don't 'stick' long-term in bone marrow Posted: 13 Aug 2020 11:23 AM PDT Seasonal flu vaccination does increase the number of antibody-producing cells specific for flu in the bone marrow. However, most of the newly generated cells are lost within one year, researchers found.

Becoming a nerve cell: Timing is of the essence Posted: 13 Aug 2020 11:23 AM PDT Researchers find that mitochondria regulate a key event during brain development: how neural stem cells become nerve cells. Mitochondria influence this cell fate switch during a precise period that is twice as long in humans compared to mice. This highlights an unexpected function for mitochondria that may help explain how humans developed a bigger brain during evolution, and how mitochondrial defects lead to neurodevelopmental diseases.

Syphilis may have spread through Europe before Columbus Posted: 13 Aug 2020 11:23 AM PDT Columbus brought syphilis to Europe -- or did he? A recent study now indicates that Europeans could already have been infected with this sexually transmitted disease before the 15th century. In addition, researchers have discovered a hitherto unknown pathogen causing a related disease. The predecessor of syphilis and its related diseases could be over 2,500 years old.

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