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Preventive care Archive

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What is a longevity specialist, and should I see one?

Longevity (or healthspan) specialists focus on preventing age-related disease and extending people’s healthy years, rather than waiting to treat illness once it appears. Ideally, a longevity specialist focuses on proven health fundamentals before supplements and experimental therapies.

Think fast: How does your face protect you?

Not only is our face our calling card to the world, its features evolved to mount immune system defenses, help ward off illness, and protect us in many ways. Our eyes, nose, mouth, and facial structure itself all contribute to our continued well-being.

Extreme heat: Staying safe if you have health issues

Climate change has made life-threatening heat waves increasingly common across the globe. Anyone with health issues will have a more difficult time in extreme heat, including older people and people with diabetes, heart disease, asthma, and other conditions. Be prepared by knowing how to identify and treat heat-related illness, and how to plan for hot days.

Many older adults get health information from self-defined experts online

A 2026 national survey suggested that half of all American adults under 50—and 35% of older adults—get health information from social media influencers or podcasters, the minority of whom are health care professionals. People should be skeptical of any advice from these sources.

AI in healthcare: Can a chatbot answer your medical questions?

Artificial intelligence (AI) chatbots can answer medical questions, but they don’t replace the medical judgment of doctors. For patients, AI is currently most useful for understanding medical conditions, explaining doctor’s notes and lab reports, and helping to prepare for doctor visits.

Increasing daily steps may boost surgical recovery

After most types of surgery, early and increased walking appears to support a smoother recovery. A 2026 study found that increased daily steps above pre-surgery levels were linked with shorter hospital stays, lower complication rates, and fewer readmissions.

How to protect your health in a power outage

Staying at home during a power outage can be risky for your health. To be safe, take steps to maintain power for essential medical equipment, store medications properly, and prepare for other hazards.

Full-body MRI screening: Reassurance or overdiagnosis?

Full-body MRI scans are marketed as a way to detect hidden cancers and other health conditions before symptoms appear. But these elective scans aren't as precise as medically recommended MRIs and may reveal harmless abnormalities that lead to unnecessary follow-up tests.

High-dose flu shot may lower risk of Alzheimer's

A 2026 study suggested that getting a high-dose flu shot may reduce older adults’ risk of developing Alzheimer’s disease compared with a standard-dose flu shot.

Navigating a doctor shortage

A 2026 study indicates a precipitous decline in the number of primary care providers in the United States accepting new patients. Without a primary care doctor, people are more vulnerable to serious medical problems and may have trouble getting regular tests and prescriptions.

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