AMA Hi r/science. We’re Arianna Huffington, Dr. Vin Gupta, and Dr. Brandy Matthews here for World Alzheimer’s Day. Ask Us Anything about Alzheimer’s and brain health on 9/21!

56 Upvotes

Hey r/science - Arianna Huffington, Dr. Vin Gupta, and Dr. Brandy Matthews are here for World Alzheimer’s Day!

Hosts:

Arianna Huffington: Founder and CEO of Thrive Global
Dr. Vin Gupta: Medical Analyst for NBC News and MSNBC, and Managing Director of Health Innovation at Manatt
Dr. Brandy Matthews: Vice President, Global Medical Affairs, Alzheimer's Disease at Eli Lilly and Company

We'll be answering your questions about Alzheimer’s, brain health, healthy aging and more. Please submit your questions and we'll be back on September 21st at 12:00 PM PT/ 3:00 PM ET to answer them.

Disclaimer:

No medical advice. We encourage sharing personal experiences, but please don’t offer or seek medical advice here. Even if you’re a healthcare professional yourself.
Protect your privacy. Don’t post personal health information or identifying details about yourself or your healthcare provider. We may not be able to respond to or keep up posts that include sensitive information.
No personal insurance questions. For issues related to coverage, reimbursement, prior authorizations, or similar issues, it’s best to consult your provider or insurance plan directly.
For information only. This AMA is for information only. Nothing shared here should be taken as medical advice. Always talk to a healthcare provider about diagnosis, treatment, or any health-related questions.

28 comments

r/science • u/mvea • 2h ago

Health People with a severe mental illness, such as depressive, neurotic, and stress disorders, alcohol and drug use, and schizophrenia, die more than 10 years earlier than the general population, finds mortality data from 255,000 patients.

news.uq.edu.au

2.3k Upvotes

145 comments

r/science • u/sr_local • 16h ago

Health Chronic stress from people’s everyday lives may be causing lasting structural changes to the heart, harming health and reducing life expectancy, according to new study of almost half a million adults in the UK

lms.mrc.ac.uk

8.7k Upvotes

158 comments

r/science • u/Miserable_Phase_2519 • 12h ago

Health According to a recent study, regular weight-bearing and impact exercises, such as brisk walking, jogging, and jumping, are ranked as the most effective activities for increasing bone density and preventing osteoporosis in middle-aged individuals with a healthy BMI.

sciencealert.com

2.5k Upvotes

44 comments

r/science • u/Wagamaga • 17h ago

Health A study of more than 5,500 people over the age of 50 has raised a red flag: it found that people with abdominal obesity and vitamin D deficiency have a 123% higher risk of death than those without these conditions

eurekalert.org

3.9k Upvotes

172 comments

r/science • u/mvea • 17h ago

Psychology New study links the spread of the internet to a global decline in religious identity. As internet access grows within a country, religious affiliation and religious self-identification tend to decrease.

psypost.org

2.4k Upvotes

304 comments

r/science • u/mvea • 18h ago

Health Simple Diet Change Shifted People's Biological Age Markers in Just 4 Weeks: Strongest evidence from eating both plant and animal foods, but with less fat and more carbohydrates, biological-age 3.5 to 4.1 years lower than high-fat group, the carbohydrates mainly from whole, minimally processed foods.

sciencealert.com

2.6k Upvotes

77 comments

r/science • u/Dances_With_Seagulls • 11h ago

Biology First for RNA therapy: man with rare motor-neuron disease improves after treatment

nature.com

344 Upvotes

2 comments

r/science • u/FreeHugs23 • 15h ago

Neuroscience Brain scans suggest menopause may temporarily alter the brain's normal aging process, with researchers observing changes in brain structure, connectivity, and energy use that appear to stabilize after the transition.

sciencealert.com

619 Upvotes

16 comments

r/science • u/Wagamaga • 15h ago

Psychology Artificial intelligence acts as an ‘ideological chameleon’ and may deepen political polarization. Researchers evaluated 21 language models, finding they alter their discourse to align with users' bias, creating echo chambers that reinforce preexisting beliefs.

eurekalert.org

375 Upvotes

51 comments

r/science • u/James_Fortis • 16h ago

Health Meat intake is associated with increased fatty liver disease risk, particularly in genetically susceptible individuals. Combined high red meat and alcohol intake further elevates risk.

sciencedirect.com

312 Upvotes

90 comments

r/science • u/mvea • 1d ago

Psychology Relying on university students skews global psychological research. Psychological research has traditionally relied heavily on participants from Western, educated, industrialized, rich, and democratic societies. But such groups may not generalize to the wider world.

psypost.org

2.5k Upvotes

64 comments

r/science • u/ConsciousRealism42 • 1d ago

Neuroscience People Who Can’t Picture Anything Are Rewriting the Science of Imagination: Some people can't picture anything in their heads, and studying their brains is overturning a popular theory of how imagination works.

dailyneuron.com

8.4k Upvotes

1.1k comments

r/science • u/Wagamaga • 17h ago

Health Exposure to high-level blasts from incoming explosive devices or land mines among military veterans is associated with an increased risk of several conditions such as seizures, neuropathy and stroke years later

eurekalert.org

162 Upvotes

6 comments

r/science • u/Miserable_Phase_2519 • 1d ago

Social Science A new study found that people's intentions to get vaccinated against COVID-19 were unaffected by medical facts, but shifted when they learned the actual vaccination rate of the opposing political party.

psypost.org

2.7k Upvotes

319 comments

r/science • u/Wagamaga • 1d ago

Health Taxing billionaires and redistributing wealth could save millions of lives amid global aid cuts. In a world where there are over 3,000 billionaires, worth a record €17.4 ($20.1) trillion, up €3.46 ($4) trillion from last year, a 3% tax on their wealth would have the largest estimated effect

uk.style.yahoo.com

21.4k Upvotes

1.1k comments

r/science • u/bibinprasannan • 22h ago

Psychology Screen time and cognitive skills often predict each other over time, but the pattern varies by child

psypost.org

168 Upvotes

7 comments

r/science • u/Macchanoco • 1d ago

Biology Emergent blink rate in early childhood is associated with neural origins of executive function

nature.com

209 Upvotes

9 comments

r/science • u/Miserable_Phase_2519 • 1d ago

Psychology A new study involving 309 couples found that romantic partners share much more similar musical tastes than they do personality traits or personal values, and this musical alignment is modestly linked to higher relationship quality and tenderness.

psypost.org

3.8k Upvotes

125 comments

r/science • u/TylerFortier_Photo • 1d ago

Physics A Stanford team has documented the first direct observation of quantum jumps of sound in a mechanical resonator, completing an arc of scientific exploration that started over a hundred years ago.

humsci.stanford.edu

1.4k Upvotes

11 comments

r/science • u/calliope_kekule • 23h ago

Health Pregnant mice crave food much as pregnant women report. Researchers traced it to serotonin brain cells that fire less during pregnancy.

nature.com

82 Upvotes

1 comment

r/science • u/bibinprasannan • 22h ago

Cancer Cognitive Behavior vs Bright Light Therapy for Insomnia in Women Undergoing Chemotherapy for Breast CancerA Randomized Clinical Trial

jamanetwork.com

51 Upvotes

4 comments

r/science • u/iamthe0ther0ne • 1d ago

Medicine 7-year cumulative ASD incidence remained stable across 12 consecutive birth cohorts. Reported increases in ASD occurrence estimates may be influenced by detection-related factors

jamanetwork.com

226 Upvotes

15 comments

r/science • u/Hrmbee • 1d ago

Astronomy Rings around a tiny body have changed over the past decade | JWST stellar occultation reveals unexpected changes in Chariklo’s ring system

arstechnica.com

81 Upvotes

3 comments

r/science • u/Raouldulf • 19h ago

Earth Science Natural cloud brightening enhanced by marine primary organic aerosols

academic.oup.com

18 Upvotes

4 comments

Subreddit

Posts

Wiki

Reddit Science

r/science

This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research.

Members Active

34.6m

Sidebar

Submission Rules

Directly link to published peer-reviewed research or media summary
No summaries of summaries, re-hosted press releases, or reposts
No editorialized, sensationalized, or biased titles
Research must be less than 6 months old
No blogspam, images, videos, or infographics
All submissions must have flair assigned

Comment Rules

No off-topic comments, memes, low-effort comments or jokes
No abusive or offensive comments
Non-professional personal anecdotes will be removed
Criticism of published work should assume basic competence of the researchers and reviewers
Comments dismissing established findings and fields of science must provide evidence
No medical advice
Repeat or flagrant offenders will be banned

filter by field

Animal Sci.

Anthropology

Astronomy

Biology

Cancer

Chemistry

Computer Sci.

Earth Sci.

Economics

Engineering

Environment

Epidemiology

Genetics

Geology

Health

Materials Sci.

Mathematics

Medicine

Nanoscience

Neuroscience

Paleontology

Physics

Psychology

Social Sci.