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Annenberg Public Policy Center of the University of Pennsylvania


Americans split on fluoridation; opposition by MAHA supporters notable

A new survey by the Annenberg Public Policy Center finds Americans sharply divided over the use of fluoride in public drinking water. Supporters of the Make America Healthy Again movement are notably more skeptical about fluoridation's health effects, while a majority trust the American Dental Association's stance on its safety.

Many Americans pessimistic about AI’s impact – and want more regulation

A new survey finds that Americans are broadly pessimistic about the impact of artificial intelligence (AI), with only 17% believing it will have a positive impact on the United States over the next decade. Nearly two-thirds (65%) say the government has done too little to regulate AI, and there is bipartisan support for regulation.

Scholars focus on credit, accountability, and transparency in scientific authorship guidelines

A multidisciplinary team proposes three principles for responsible authorship: transparency, credit, and accountability. The guidelines aim to address issues like gift or honorific authorship, ghost authorship, and coercive authorship, and promote a culture of trustworthiness in science.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalProceedings of the National Academy of Sciences·DateMar 11, 2026

Stark divide: Americans more confident in career scientists at US health agencies than leaders

A new survey from the Annenberg Public Policy Center finds that Americans are more confident in career scientists at federal health agencies such as the CDC, NIH, and FDA, than in their leaders. The survey also reveals a significant gap in confidence between career scientists and agency leaders, with only 5% of Americans expressing

Updated "Treating and Preventing Adolescent Mental Health Disorders" published by Oxford

The updated edition provides a comprehensive overview of major mental health conditions that emerge during adolescence, discussing treatment strategies and prevention methods. The book emphasizes the importance of addressing stigma, promoting evidence-based treatments, and integrating positive youth development into policy agendas.

As measles cases rise, views of MMR vaccine safety and effectiveness -- and willingness to recommend it -- drop

A new survey by the Annenberg Public Policy Center finds a small but significant drop in the proportion of the public that would recommend getting the MMR vaccine, citing concerns over its safety and effectiveness. The survey also shows declines in perceived safety and effectiveness for other vaccines, such as seasonal flu and Covid-19.

Although public overwhelmingly supports hepatitis B vaccine for a newborn, partisan differences exist

A national survey of adults found that three-quarters support vaccinating newborns against hepatitis B, but Republicans are less likely to recommend the vaccine. The survey also found that most respondents believe the vaccine protects against liver disease, and there is little evidence justifying delaying vaccination.

Americans more likely to accept guidance from AMA than CDC on vaccine safety

A survey of adults in the US found that most people prefer the American Medical Association's (AMA) guidance on vaccine safety over the Centers for Disease Control and Prevention's (CDC), citing concerns about the CDC's recent changes to its website. According to the survey, 35% of Americans would accept the AMA's recommendation, while...

‘Mental model’ approach shows promise in reducing susceptibility to misconceptions about mRNA vaccination

Researchers tested a 'mental model' approach to counter unwarranted fears about mRNA technology. The study found that exposing people to visual models of how vaccines work and/or how cells protect DNA from foreign fragments undercuts the effect of exposure to misconceptions.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 24, 2025

Most Americans favor MMR vaccine requirement for public school, Annenberg survey finds

A recent Annenberg Public Policy Center survey found that 70% of the public supports vaccine requirements for MMR in schools. The percentage increased from 63% in August 2023. The survey also showed that over 7 in 10 U.S. adults support a policy making it mandatory for parents to vaccinate their children against preventable diseases.

Rise in gun violence in top U.S. movies parallels growth in gun homicides among young people

A study by Annenberg Public Policy Center found that firearm use in popular US movies increased by 200% from 2000 to 2021, mirroring the rise in firearm homicide rates among young people aged 15-24. The research suggests that portrayal of guns in entertainment may play a role in promoting their use for violent purposes.

AI used for real-time selection of actionable messages for government and public health campaigns

Researchers developed an AI tool to automatically generate HIV prevention and testing campaign messages for counties in the US, leveraging real-time social media data. The method was tested in three studies, showing that AI-selected messages were perceived as more actionable and effective by target audiences than control messages.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalPNAS Nexus·TypeExperimental study·DateJul 22, 2025

Many Americans unaware high blood pressure usually has no noticeable symptoms

High blood pressure typically has no signs or symptoms, according to the CDC. Few U.S. adults can correctly identify what blood pressure reading is considered high (130/80 mmHg). Despite prevalence, many people mistakenly believe high blood pressure always has noticeable symptoms or can be identified by feeling calm and relaxed.

Do “harm reduction” interventions for substance use lower or raise trust in government?

Research finds that comprehensive drug policies, including harm reduction measures, are positively associated with perceptions of governmental support and trust in local government. In rural US communities, residents' trust in their local government increases when they perceive the government as supportive of these policies.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalHarm Reduction Journal·TypeExperimental study·DateApr 15, 2025

Awareness grows of cancer risk from alcohol consumption, survey finds

A survey by the Annenberg Public Policy Center found that over half of Americans believe drinking alcohol increases their chances of developing cancer. The Surgeon General's advisory on alcohol and cancer risk also contributed to increased public awareness, with nearly 3 in 10 respondents saying they would be less likely to accept a dr...

People select feedback to flatter others, except when they dislike them

Researchers found that people prefer to share information that enhances others' positive self-views, especially if the other person has a likable or neutral personality. However, this tendency disappears when the other person is perceived as dislikable or when the goal of providing accurate information is emphasized.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalJournal of Personality and Social Psychology·TypeExperimental study·DateMar 20, 2025

‘I Will Vote’: Using future-oriented frames to motivate voters

Researchers at Annenberg Public Policy Center found that using 'I Will Vote' stickers significantly enhances voting intentions and attitudes towards voting. The study suggests that a future-oriented perspective promotes thoughts about outcomes and planning, strengthening citizens' capacity to successfully perform the intended behavior.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalPolitical Communication·TypeExperimental study·DateMar 14, 2025