Millions of aging Americans are facing dementia or cognitive impairment—alone

America's financial burden from dementia in 2025 was $781 billion

That figure, calculated by researchers at the University of Southern California, includes medical and long-term care costs, unpaid family and friend caretaking, lost productivity for patients and their families, and the economic loss in quality of life for patients and their families. In 2025, they estimate there were 5.6 million people living with dementia.

Alzheimer's disease is the leading cause of dementia and risks rise after age 65

Read this primer about Alzheimer's disease and learn what factors increase the risk of this form of dementia, including genetics, being a woman, and health conditions, including high blood pressure.

Learn the differences between mild cognitive impairment and age-associated memory loss

Mild cognitive impairment is a condition in which people experience more thinking and memory problems than expected for their age. It's often associated with depression and anxiety. Daily routines, writing things down, and healthy lifestyle choices can help cope with the condition, but there's no cure. The condition elevates the risk of developing dementia and Alzheimer's.

How reading and writing can lower dementia risk by almost 40%

Research published in 2026 that tracked almost 2,000 older adults for an average of nearly eight years suggests that lifelong exposure to intellectual stimulation, such as learning a language, reading, and writing, can lower dementia risk by as much as 40%.

Dementia caregiver training programs exist—but they aren't common

Comprehensive dementia care programs go beyond offering support to caregivers. They train people on how to modify their homes, communicate with their loved ones with dementia, and cope with the stress of caregiving, among other skills. Yet despite evidence showing their effectiveness and the economic benefit of avoiding unnecessary emergency room visits, these programs are often poorly funded and difficult to find.

Analysis finds dementia was rare in ancient Greece

Ancient medical texts seldom mention severe cognitive decline, suggesting that such conditions were uncommon. This scarcity is attributed to factors like shorter lifespans and active lifestyles, implying that modern environmental and lifestyle changes—along with longer life expectancy—contribute to the current prevalence of dementia.

Does our fear of Alzheimer's create stigma around its treatment?

Surveys suggest our fear of Alzheimer's as a disease outranks that of heart disease and cancer. This piece argues our fear of aging and the slipping away of our mental capacities make it more difficult to treat Alzheimer's compassionately.

Roughly 10% of the world's population is older than 65 (2023 data)

With recent advances in medicine, sanitation, and nutrition, expected lifespans have rapidly risen around the globe—resulting in a rapidly aging global population. The worldwide distribution has seen a nearly 600% jump in the population of people aged 65 and older.

What it feels like to live with dementia

This nine-minute short film attempts to answer what it feels like to fade into dementia, as memory, motor skills, and cognition steadily decline. This award-winning short film follows Jos, a married father who worked in hospitality, as he sinks into ,"what feels like a single day. Or is it years?"

Age-related macular degeneration is the primary cause of blindness in older Americans

Around 20 million Americans suffer from macular degeneration, and it's the leading cause of blindness in older Americans. Risk factors for age-related macular degeneration include aging, genetics, smoking, hypertension, obesity, and diet.

How Alzheimer's caregivers get pulled into their loved one's reality

Caregivers, most often children and spouses, do not just witness a family member's cognitive decline—they also often become drawn into it, navigating a world in which the typical rules of time, order, or logical continuity may not apply.

Super-agers: seniors 80 and above with the memory ability of people in their 50s

Studies show the number one indicator of whether someone is a "super-ager" is not diet or genetics, but the extent of their social relationships. Moreover, scans reveal noticeable physical differences in certain parts of the brain in patients with extensive social networks.

1 in 5 American adults report daily loneliness

Twenty percent of US adults said they felt lonely "a lot of the day yesterday" in Gallup polling conducted in 2024. The survey was conducted with more than 6,000 adults who took part in a web survey.

Nearly 1 in 4 Americans over age 65 is still working

While many of these Americans are often working part-time, the share varies significantly by US state. While roughly 29% of those over the age of 65 work in Vermont, only about 17% do the same in West Virginia.

A dignified later life made possible through dementia villages

Dementia villages are specially designed residential communities tailored for individuals with dementia. These environments offer residents a safe, familiar, and stimulating atmosphere that resembles normal daily life—promoting greater independence, social interaction, and quality of life while discreetly integrating necessary care and support from trained professionals.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

Individuals typically spend less time with others as they get older

At younger ages, we spend much of our time with parents, siblings, and friends. Eventually, our lifestyle changes to include work, a spouse, and children of our own. In later life, children often move out, and spouses unfortunately pass away, leading to more time spent alone.

Older, medically complex patients are a high proportion of concierge practices

These concierge medicine practices tend to have a high proportion of people ages 50 and older and are particularly concentrated in states with older populations, especially California and Florida.

More than a third of America's incarcerated population has a mental illness

Fueled in part by America's deinstitutionalization movement and gaps in mental health support, an estimated 44% of those in jail and 37% of those in prison have a mental illness, according to figures from 2012, the latest available. Population-wide, only 18% of the general population is estimated to have a mental illness.

Most Americans are now dying at home, reversing 20th century trends

For most of the 21st and 20th centuries most Americans died in hospital settings. But in 2016, home-based deaths overtook hospitals; most Americans are now dying at home, likely fueled by individual preferences to die at home or to receive at-home palliative care.

A summary of the 2020 census

This summary of the 2020 census shows an aging America and wide racial gaps between generations. The information provides the national and geographic composition of the nation’s age and racial-ethnic makeup. New statistics for 2020 show that the...

1 in 15 adults over age 40 experience phantom odors

This phenomenon was measured in a 2018 study that examined the prevalence and risk factors for phantom odor perception. Older adults were less likely to experience these phantom odors as they age, just as their overall sense of smell declines. Women are more likely than men to perceive phantom odors.

Someone suffers from a stroke every 40 seconds

Every 40 seconds, someone in the US experiences a stroke—and every minute without treatment destroys millions of brain cells. This explainer breaks down the two main types of strokes, their risk factors, and how early detection could change outcomes in the future.

More than 5 million Americans have more than one autoimmune disease

Overall, about 4.6% of the US population—15 million people—have an autoimmune condition. Some common examples include rheumatoid arthritis, psoriasis, type 1 diabetes, Grave's disease, and autoimmune thyroiditis.

In a 2024 survey, 93% of participants expressed concerns about self-driving cars

Safety was the leading consumer fear, with technological malfunctions coming in second. Nearly half of all consumers identified skepticism or concern as their primary descriptor for autonomous cars, but 20% cited enhanced mobility for the elderly and people with disabilities as a key benefit.

Addressing psychological barriers to building wealth

Almost half of adults in the US report owning no investable assets. For many, the barrier to entry is the belief that investing is too complex for them to get involved. Consulting with a financial psychologist, this article addresses the cognitive bias that causes so many people to miss out on financial opportunities, and offers tips on how to get past the anxieties and just begin.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

11 people died from firework injuries in the US in 2024.

Telehealth demand for GLP-1s for weight loss is booming as consumers seek easier access.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

Despite being favored by 87% of Americans, Congress does not have term limits.

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

In 1945, Surrealist artist Salvador Dalí and legendary animator Walt Disney began collaborating on a short film that was not completed until 2003, years after both men had died.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.