Psilocybin Helps Alleviate Depression Symptoms, Small Study Says

The chemical derived from psychedelic mushrooms helped alleviate symptoms of depression and generated detectable neural responses that lasted weeks.

#brain, #depression-mental, #drugs-pharmaceuticals, #ecstasy-drug, #lsd-lysergic-acid-diethylamide, #mental-health-and-disorders, #nature-medicine-journal, #post-traumatic-stress-disorder, #psilocybin-mushrooms, #psychedelic-and-hallucinogenic-drugs, #research, #therapy-and-rehabilitation

A ‘Pacemaker for the Brain’: No Treatment Helped Her Depression — Until This

It’s the first study of individualized brain stimulation to treat severe depression. Sarah’s case raises the possibility the method may help people who don’t respond to other therapies.

#brain, #depression-mental, #implants, #mental-health-and-disorders, #nature-medicine-journal, #research, #therapy-and-rehabilitation, #university-of-california-san-francisco, #your-feed-healthcare, #your-feed-science

Scientists Press Case Against the Covid Lab Leak Theory

In a review of recent studies and comparisons to other outbreaks, a group of virologists contends that there is more evidence to support a natural spillover from animals to humans.

#animals, #bats, #coronavirus-2019-ncov, #laboratories-and-scientific-equipment, #nature-medicine-journal, #sars-severe-acute-respiratory-syndrome, #wuhan-institute-of-virology-china, #your-feed-science

Vaccinated Adults Helps Protect Unvaccinated Children, Study Finds

The study, based on anonymized Israeli medical records, showed that vaccination’s benefits extend to people who have not received a shot.

#coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #internal-essential, #israel, #ksm-kahn-sagol-maccabi-research-and-innovation-institute, #nature-medicine-journal, #research, #technion-israel-institute-of-technology, #vaccination-and-immunization

AstraZeneca Shots Carry Slightly Higher Risk of Bleeding Problem, New Study Says

But the research, involving 2.53 million adults in Scotland, found that the vaccine’s benefits outweighed the small risks.

#astrazeneca-plc, #blood, #blood-clots, #content-type-service, #coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #johnsonjohnson, #nature-medicine-journal, #oxford-university, #pfizer-inc, #research, #scotland, #vaccination-and-immunization, #your-feed-healthcare

Foods That May Lead to a Healthier Gut and Better Health

A diet full of highly processed foods with added sugars and salt promoted gut microbes linked to obesity, heart disease and diabetes.

#cholesterol, #diabetes, #diet-and-nutrition, #digestive-tract, #health-foods, #heart, #microbiology, #nature-medicine-journal, #obesity, #research, #vegetables, #weight

A Malaria Mystery, Partly Solved: What Happens When the Rains End?

A study in Mali suggests that malaria parasites hide out during the dry season by altering the properties of red blood cells.

#africa, #immune-system, #malaria, #mosquitoes, #nature-medicine-journal, #parasites, #spleen, #your-feed-health, #your-feed-science

Covid-19 Deaths: The Price for Not Wearing Masks is Perhaps 130,000 Lives

The pandemic death toll could be lowered by next spring if more Americans wear masks, a new analysis finds.

#coronavirus-2019-ncov, #deaths-fatalities, #disease-rates, #institute-for-health-metrics-and-evaluation, #nature-medicine-journal, #united-states, #your-feed-science

Cartilage Is Grown in the Arthritic Joints of Mice

Researchers discovered a way to awaken dormant stem cells and transform them into cartilage. If the technique works in humans, it may help ease debilitating joint pain.

#arthritis, #bones, #knees, #mice, #nature-medicine-journal, #osteoarthritis, #research, #stem-cells, #surgery-and-surgeons, #your-feed-healthcare

Scientists Uncover Biological Signatures of the Worst Covid-19 Cases

Studies of patients with severe cases of Covid-19 show the immune system lacks its usual coordinated response.

#coronavirus-2019-ncov, #dexamethasone-drug, #immune-system, #microbiology, #nature-medicine-journal, #research, #science-journal, #viruses, #your-feed-health, #your-feed-science

In Astounding Test, Scientists Revive Damaged Lungs for Transplant

Injured and unusable lungs were restored with respirators and pig blood. The procedure one day may increase the supply of organs for transplant.

#columbia-university, #deaths-fatalities, #lungs, #nature-medicine-journal, #new-york-university-langone-medical-center, #pigs, #surgery-and-surgeons, #tissue-human, #transplants, #united-states, #university-of-toronto, #ventilators-medical, #vunjak-novakovic-gordana

How the Coronavirus Short-Circuits the Immune System

In a disturbing parallel to H.I.V., the coronavirus can cause a depletion of important immune cells, recent studies found.

#acquired-immune-deficiency-syndrome, #coronavirus-2019-ncov, #immune-system, #kings-college, #nature-medicine-journal

You May Have Antibodies After Coronavirus Infection. But Not for Long.

Antibodies to the virus faded quickly in asymptomatic people, scientists reported. That does not mean immunity disappears.

#antibodies, #china, #coronavirus-2019-ncov, #immune-system, #nature-medicine-journal, #research

Monster or Machine? A Profile of the Coronavirus at 6 Months

Our “hidden enemy,” in plain sight.

#acquired-immune-deficiency-syndrome, #biology-and-biochemistry, #china, #coronavirus-2019-ncov, #fehr-anthony, #garry-robert, #genetics-and-heredity, #immune-system, #machamer-carolyn, #microbiology, #nature-medicine-journal, #ott-melanie, #proteins, #research, #rna-ribonucleic-acid, #sabeti-pardis-c, #sars-severe-acute-respiratory-syndrome, #united-states, #vaccination-and-immunization, #weiss-susan-r-researcher, #wuhan-china, #your-feed-health, #your-feed-science

App Shows Promise in Tracking New Coronavirus Cases, Study Finds

The app, which allows people to record their symptoms, was remarkably effective in predicting infections. The most reliable indicators, researchers found, were loss of smell and taste.

#coronavirus-2019-ncov, #epidemics, #medicine-and-health, #menni-cristina, #mobile-applications, #nature-medicine-journal, #research, #smartphones, #smell-olfaction, #spector-tim, #taste, #tests-medical

After Recovery From the Coronavirus, Most People Carry Antibodies

A new study adds to evidence of immunity among those who have already been exposed to the pathogen.

#antibodies, #coronavirus-2019-ncov, #mount-sinai-medical-center, #nature-medicine-journal, #new-york-city, #quarantines, #research, #tests-medical, #your-feed-science

F.D.A. Warns of Heart Problems From Malaria Drugs Used for Coronavirus

The drugs, hydroxychloroquine and chloroquine, have been repeatedly promoted by President Trump. But they should be used only in clinical trials or hospitals, the agency said.

#azithromycin-drug, #biomedical-advanced-research-and-development-authority, #bright-rick-a, #chloroquine-drug, #coronavirus-2019-ncov, #food-and-drug-administration, #hahn-stephen-m-1960, #hydroxychloroquine-drug, #national-institute-of-allergy-and-infectious-diseases, #nature-medicine-journal, #nyu-langone-health, #trump-donald-j, #your-feed-healthcare

Are Face Masks the New Condoms?

If people with no symptoms are spreading the coronavirus, as some studies suggest, it may be time to give face masks the kind of advertising and promotion that support condoms as lifesavers.

#condoms, #coronavirus-2019-ncov, #masks, #nature-medicine-journal, #oconnor-david-h-1976, #research, #rockx-barry, #science-journal, #your-feed-healthcare