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Latest Medical Research News and Research
Updated: 27 min 20 sec ago

Scientists uncover new evidence of potential health risks from smoke-related chemicals

Mon, 01/11/2021 - 18:15
Scientists at Dana-Farber Cancer Institute and the Centers for Disease Control and Prevention have uncovered new evidence of the potential health risks of chemicals in tobacco and marijuana smoke.

Researchers reach important milestone in leishmaniasis vaccine development

Mon, 01/11/2021 - 18:05
Researchers have taken an important step forward in developing a controlled human infection model to test leishmaniasis vaccines.

Research opens up hope-filled possibilities for new autism therapies

Mon, 01/11/2021 - 17:27
Recent years have provided substantial research displaying the effect of genetic mutations on the development of autism and other neurodevelopmental disorders.

Researchers receive NIH grant to develop more effective flu vaccines

Mon, 01/11/2021 - 12:31
To build better vaccines, scientists want to know more about how our bodies make adequate numbers of effective, durable antibodies against the influenza virus.

Anti-Black racism in Canada’s health care impacts people’ health, argue experts

Mon, 01/11/2021 - 12:20
Canada must dismantle anti-Black racism in health care to address its harmful effects on people's health, argue authors of a commentary in CMAJ (Canadian Medical Association Journal)

Study: Oral sex can increase risk of HPV-related oropharyngeal cancer

Mon, 01/11/2021 - 12:14
Human papillomavirus (HPV) can infect the mouth and throat to cause cancers of the oropharynx. A new study published early online in CANCER, a peer-reviewed journal of the American Cancer Society, has found that having more than 10 prior oral sex partners was associated with a 4.3-times greater likelihood of having HPV-related oropharyngeal cancer.

Marijuana use varies with seasons, shows study

Mon, 01/11/2021 - 11:55
Marijuana use increases throughout the calendar year, with use up 13 percent on average at the end of each year (2015-2019) compared to the beginning, according to a new study published in the journal Drug and Alcohol Dependence.

Schlieren techniques demonstrate patterns of exhaled air spread from wind instruments and singers

Mon, 01/11/2021 - 09:59
In an interesting new research paper published recently on the bioRxiv preprint server, scientists describe the dispersal of exhaled air, potentially infected, from singers and those playing wind instruments, using Schlieren techniques, a visual process that is used to photograph the flow of fluids of varying density. This could help assess measures to assess the actual spread of infectious droplets or aerosols in such situations.

Tetherin downregulation by SARS-CoV-2 enhances viral spread

Mon, 01/11/2021 - 08:56
A new preprint research paper published on the bioRxiv server describes the role of a host protein called tetherin in the spread of the novel coronavirus.

Synthetic lung organoids provide high-throughput platform to identify new cellular targets of SARS-CoV-2

Mon, 01/11/2021 - 08:32
An interesting new study published on the bioRxiv preprint server describes a new platform that allows a high-throughput workflow to generate matched human lung buds in the tens of thousands. This allows researchers to study SARS-CoV-2 infection and therapeutics in lung tissue that mirrors the key aspects of human lung development.

Large-scale genome sequencing shows how SARS-CoV-2 mutated

Mon, 01/11/2021 - 08:16
A new study published on the preprint server bioRxiv* describes the results of genomic sequencing of the virus, which may help trace the routes of transmission of the virus from person to person, and from country to country.

Study shows P681H mutation is becoming globally prevalent among SARS-CoV-2 sequences

Mon, 01/11/2021 - 07:26
In a recent bioRxiv preprint study, researchers from the University of Hawaii showed that the S gene of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is continuously mutating according to the sequence and phylogenetic analysis.

Naturally selected mutations of SARS-CoV-2 easily duplicated in vitro

Mon, 01/11/2021 - 07:11
In a recent and timely paper, currently available on the bioRxiv preprint server, researchers from Israel and France demonstrated how in vitro evolution of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor-binding domain (RBD) follows contagious mutation spread – but can also generate an efficient infection inhibitor.

Researchers pinpoint spike protein regions as targets for passive and active COVID-19 vaccines

Mon, 01/11/2021 - 06:13
Researchers at Stanford University School of Medicine have identified regions of the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that have relatively few mutations and might therefore serve as important targets for prophylactic agents against coronavirus disease 2019 (COVID-19).

Modeling study sheds light on SARS-CoV-2 genome packaging

Mon, 01/11/2021 - 05:52
Researchers at the University of North Carolina at Chapel Hill have conducted a study exploring how the spatial patterning of certain genomic RNA regions in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) promotes compaction, packaging, and cyclization of the viral genome.

New test detects SARS-CoV-2 in less than 5 mins

Mon, 01/11/2021 - 05:32
A fast and accurate virus detection strategy is very crucial to reduce the rate of transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the pathogen responsible for COVID-19. The global scientific research community responded to this unprecedented demand in diagnostic testing by developing several detection platforms, the most sensitive of which detect the viral RNA.

COVID-19 ICU patients found to have higher burden of delirium and coma

Sat, 01/09/2021 - 08:55
COVID-19 patients admitted to intensive care in the early months of the pandemic were subject to a significantly higher burden of delirium and coma than is typically found in patients with acute respiratory failure.

Cancer patients benefit from using automated device to manage their symptoms

Sat, 01/09/2021 - 08:52
Hundreds of cancer patients have benefitted from using computer algorithms to manage their symptoms and improve their wellbeing in a unique UK trial.

Gene therapy can effectively treat mice with tuberous sclerosis complex, shows study

Sat, 01/09/2021 - 08:44
Patients with tuberous sclerosis complex, a genetic disorder characterized by the growth of noncancerous tumors in multiple organs of the body, have limited treatment options.

Study: Many patients want virtual mental health care even after the pandemic subsides

Sat, 01/09/2021 - 08:00
A year ago, trying to find patients who would agree to see their University of Michigan mental health provider through a video screen felt like pulling teeth.