Social media can be a valuable public health tool, combating misinformation, advancing health research, boosting social mobilization, and raising awareness of health services and events.

Social media addiction, though not a clinical diagnosis, refers to the idea that infinite scroll, notifications, and algorithms override one's ability to stop using them.

Celebrities are able to promote prescription drugs on social media without any required mention of potential side effects due to a legal loophole.

Social media platforms benefit not just from ensuring they have satisfied users, but also from the personal data they scoop up and can then sell to online advertisers.

Facebook's internal documents show that though the company publicly plays down Instagram's harms, its own research found that Instagram has promoted mental health issues for teens. (Paywall may apply.)

View a history of hashtags through 2013

First used on Twitter in August 2007, the social media shorthand gained popularity in October of that year during the San Diego wildfires as a means of coordinating emergency response and disaster relief. Instagram, Google+, Flickr, Facebook, and other social media companies would later integrate hashtags into their platforms.

Excessive social media use is linked to feelings of increased isolation, mental health declines, increased stress and general dissatisfaction among teens.

Social psychologist Jonathan Haidt, author of The Anxious Generation, contends that children are losing the ability to pay attention as they spend half their lives perusing social media content designed to hook them.

The rise of telemedicine: A post-pandemic analysis

Before COVID-19, telemedicine remained on healthcare's periphery; however, the pandemic thrust it into the limelight, transforming how we approach medical care. This comprehensive review published by Press Ganey dives deep into the evolution,...

Read the Surgeon General's 2023 loneliness report claiming loneliness is an epidemic

This report details the specific health threats linked with loneliness, including that loneliness and social isolation can increase the risk of premature death by nearly 30%. Loneliness lowers our capability to mount an effective immune response to viruses and respiratory illness, can cause chronic inflammation on par with physical inactivity, and increases the risks for anxiety, depression, dementia, heart disease and stroke.

A major dopamine hit from social media use comes from unpredictability—not knowing if the content users post or share will get the 'like' from other users, triggering cycles of anticipation similar to those experienced with a slot machine.

As thousands of lawsuits proceed against social media companies for alleged harm, social psychologist Jonathan Haidt lays out the seven main arguments for holding social media companies legally responsible.

The first social media platforms date back to the late 1990s, and their algorithms were typically chronological, with entities like MySpace and Facebook feeding users content from the most recent posts to the oldest.

Music today is often intended to circulate on social media

Artists are increasingly using TikTok and other short form video platforms as a space to promote their music. One scholar notes this emphasis, and connect it to Taylor Swift's early use of social media to promote her own work and brand.

Do wearables help those with chronic disease?

The integration of wearable technology in healthcare has promised significant benefits for chronic disease management, yet the actual impact remains underexplored. This systematic review published in the Journal of Medical Internet Research...

Rural vs. urban: Exploring the digital health divide

Though digital health tools (DHT) hold potential to transform healthcare accessibility, their adoption varies across urban and rural landscapes. This comprehensive study, drawing from the 2019 Health Information National Trends Survey, evaluates the...

Support groups can offer insights into current and potential treatments

Beyond connecting with patients with similar experiences, support groups can also become centers for advocacy and for sharing research advances and medical experiences, including potential side effects from novel therapies or clinical trials.

Digital healthcare is helping emerging economies

In a world that is rapidly becoming more digitized, low and middle-income countries (LMICs) are trailblazing a path to cohesive digital healthcare ecosystems. This article from McKinsey & Company analyzes the different digital healthcare strategies...

X (Twitter) started as a way to share short updates via text

What began as a way to share 140-character updates quickly grew into a vital platform for activism, politics, and pop culture. Hashtags, trending topics, and retweets—now common across the internet—originated on the platform.

Health and population surveys from 90 countries

The Demographic and Health Surveys (DHS) Program collects, analyzes, and disseminates data on population, health, HIV, and nutrition. The site compiles data through more than 400 surveys in over 90 countries around the world. Explore demographic...

Explore US public health data

This resource tracks key US health metrics, including mortality causes, child survival rates, and life expectancy comparisons, to inform future health improvements, with regularly updated global estimates.

Smart city systems can increase positive feelings toward local government

A 2018 study analyzed 50 global cities to determine whether smart city technologies enhance residents' quality of life. It found that these technologies can decrease the time spent interacting with healthcare and government by 45% to 65%, while also decreasing the disease burden by 8% to 15%.

Social media can reinforce echo chambers that amplify pre-existing sentiments

A 2023 Nature study showed that exposure to diverse content left participants with unchanged core beliefs, suggesting social media alone cannot create hateful viewpoints. However, such platforms allow rhetoric to spread widely, potentially exacerbating geopolitical tensions.

Doctors are prescribing social activities—and seeing good results

Physicians, especially in the UK, are asking patients what they enjoy and then prescribing a consistent regimen of doing that type of activity to improve fitness and overall health, including community exercise classes, volunteering, and spending time in nature. This approach may provide better incentives to stick with an activity.

American Psychological Association issues recommendations for teen social media use

Listen to this three-minute podcast to learn more about the American Psychological Association's recommendations for teenagers' use of social media. The first report of its kind, it advises parents to closely monitor teens' social feeds during early adolescence, continually screen for signs of problematic use (such as sleep interference), minimize the amount of dangerous content their child is exposed to (such as disordered eating), and limit their teen's use of social media around appearance-related content.

The medical uses of VR

Virtual healthcare simulations are bridging the gap between traditional classroom learning and real clinical experience, improving the safety, effectiveness and efficiency of healthcare services.

Our phones can provide a dopamine hit because of our positive associations with them, which feeds into what some psychologists call social media addiction.

Deepfake videos impersonating real doctors are spreading false medical advice

More than 100 videos, found primarily on Instagram and TikTok in August 2025, promoted products related to beauty, wellness and weight loss. While TikTok removed 94% of content violating its policies on AI-generated content, these deepfakes were watched and shared before removal, undermining public trust in medicine.

In 2022, there were 4.2 billion social media users across the globe

Among them were 200 million creators. Linktree, a company that helps create links in people’s social media bios (and much more), gathered the most important numbers from 2022 to get a more accurate picture of what the creator economy looks like, numerically speaking.

Social media algorithms are shaping real-life language through memes

The evolution of the internet in the early 2000s supercharged the creation and spread of memetic content. Now, highly tuned algorithms on platforms like TikTok and YouTube influence the language, phrasing, and content of creators, which shapes how we use language in the real world.

As of 2025, Meta Platforms Inc. is the largest social media company in the world

Facebook alone has nearly three billion monthly active users, with advertising across Facebook, Instagram, and WhatsApp generating 97% of Meta's revenue. Messenger adds more than 650,000 users a daily.

How did the pandemic affect mental health?

Read this research brief to learn more about why heightened mental health and substance use concerns persist three years after the outbreak of COVID-19. According to a recent survey, the vast majority of American adults view the nation as facing a...

WeChat has become China's primary news platform, due to expansive user base and legacy media's adoption of the platform.

The potential of virtual reality in healthcare

Virtual reality (VR) is carving new frontiers in healthcare, from aiding in stroke recovery to training medical professionals. This article in Time Magazine highlights the innovative uses of VR in medical settings, including its potential and current limitations.

Telehealth demand for GLP-1s is on the rise as people seek it out for myriad reasons—the proportion of non-obesity and non-diabetes-related prescriptions for the drug soared from 4.5% in 2018 to 17% in 2023.

Perceived isolation ages you

Mounting evidence suggests that socialization is a vital component of maintaining good health. Research published in 2024 from Mayo Clinic researchers analyzed the social lives of more than 280,000 adults and concluded that individuals that weren't likely to participate in extracurricular social activities and get-togethers were more likely to have a biological age older than their actual age—meaning that you may be 60 but health indicators would suggest you're older.

The WHO’s guidance on 5G, radiation, and health

5G is the latest wireless mobile phone technology, first widely deployed in 2019. 5G is expected to increase performance and a wide range of new applications, including strengthening e-Health (telemedicine, remote surveillance, and telesurgery).

Biohacking to boost personal health has become a concept that encompasses everything from vitamin regimens and cryochambers to brain implants and red light therapy.