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8 Ways to Stay Healthy As You Age

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  Published in Science and Technology on Thursday, November 6th 2025 at 15:35 GMT by Time
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A Blueprint for Longevity: What Dr. Donald Lloyd‑Jones Says About Aging Well

The quest for a long, healthy life has moved from the realm of mythology into evidence‑based science. In a recent feature, Time magazine turns to one of the field’s most prolific advocates for preventive care, Dr. Donald Lloyd‑Jones, a cardiologist whose research on “ideal cardiovascular health” has reshaped the conversation about aging. The article distills Lloyd‑Jones’s key message: a handful of lifestyle choices, if adopted early and sustained, can add two to three decades of vibrant, disease‑free years.

Who is Dr. Donald Lloyd‑Jones?

Lloyd‑Jones is a professor at the University of Toronto and a pioneer in the science of “ideal cardiovascular health.” He founded the American Heart Association’s (AHA) “Heart to Heart” initiative, which promotes lifestyle changes to prevent heart disease and stroke. His work demonstrates that optimal blood pressure, cholesterol, and lifestyle habits are associated with a markedly longer life and a healthier “healthspan” – the portion of life free from disability and chronic disease.

The Core of Longevity: Ideal Cardiovascular Health

The AHA’s framework for ideal cardiovascular health comprises six metrics: no smoking, a healthy body mass index (BMI < 25 kg/m²), regular physical activity, a heart‑healthy diet, optimal blood pressure (<120/80 mm Hg), and optimal cholesterol (<200 mg/dL). According to Lloyd‑Jones, achieving even three of these metrics can add roughly 10 years to one’s life expectancy, while meeting all six can add up to 20 years. The article links to the AHA’s detailed explanation of these metrics, which further clarifies the importance of each component and offers guidance on how to measure and improve them.

Diet: The Mediterranean Blueprint

Lloyd‑Jones emphasizes the Mediterranean diet as the gold standard for longevity. The Time piece references a Harvard T.H. Chan School of Public Health study that found consistent adherence to this dietary pattern lowers all‑cause mortality by about 30 %. The diet prioritizes:

• Fruits and vegetables: at least five servings per day
• Whole grains: brown rice, whole‑wheat bread, oats
• Healthy fats: extra‑virgin olive oil, nuts, seeds
• Lean proteins: fish, legumes, poultry
• Limited red meat and processed foods

The article cites the Mediterranean Diet Adherence Screener (MEDAS), a 14‑item questionnaire that helps individuals gauge how closely their eating habits align with the pattern.

Physical Activity: “Move to Live”

“You can’t live with a sedentary body and expect to live a long life,” Lloyd‑Jones says. The AHA recommends at least 150 minutes of moderate‑intensity aerobic activity per week—think brisk walking, cycling, or swimming—plus muscle‑strengthening exercises on two or more days. The Time article links to the CDC’s Physical Activity Guidelines, which elaborate on how to incorporate resistance training and high‑intensity interval training (HIIT) into daily routines.

Sleep, Stress, and Social Connection

Beyond diet and exercise, Lloyd‑Jones highlights the triple pillars of sleep, stress management, and social engagement. Consistent, uninterrupted sleep of 7–9 hours per night improves metabolic health, cognitive function, and immune response. For stress, the article references a meta‑analysis from the Journal of the American Medical Association showing that mindfulness and yoga practices reduce cortisol levels and lower blood pressure.

Social isolation, conversely, is identified as a risk factor comparable to smoking. Studies on the “Blue Zones” – regions where people live the longest – consistently report strong community bonds and purposeful activities as key contributors to longevity.

Prevention: Screenings, Vaccinations, and Health Checks

Lloyd‑Jones stresses the importance of routine preventive care. The article links to the American College of Cardiology’s 2023 Hypertension Guideline, which encourages early identification and aggressive management of high blood pressure. Similarly, the American College of Cardiology and American Heart Association recommend statin therapy for individuals with a lifetime ASCVD risk of 7.5 % or higher, even if their LDL cholesterol is not dramatically elevated.

For cancer screening, the CDC’s updated guidelines for colorectal, breast, and cervical cancers are highlighted. Lloyd‑Jones notes that early detection often saves lives, allowing interventions before disease becomes advanced.

Addressing Health Equity

While individual behavior matters, Lloyd‑Jones reminds readers that socioeconomic status and access to care shape outcomes. The article cites the AHA’s “Health Equity and the Social Determinants of Health” report, which argues that policies targeting food deserts, safe walkways, and affordable health insurance are essential to expanding the reach of longevity science. Lloyd‑Jones calls for a public health infrastructure that supports healthy choices across all communities.

The Future of Longevity Research

The Time feature concludes with a look ahead. Lloyd‑Jones discusses the burgeoning field of “longevity research,” including telomere biology, microbiome studies, and personalized medicine. He notes that while genetics set the stage, lifestyle modifications still hold the most powerful lever for extending healthy years. The article links to the National Institute on Aging’s new initiatives, including the “Healthy Aging Initiative,” which funds longitudinal studies on diet, exercise, and social engagement.

Practical Takeaways

1. Aim for at least 150 minutes of moderate exercise per week and incorporate resistance training.
2. Follow a Mediterranean diet: prioritize plant‑based foods, healthy fats, and limit processed items.
3. Sleep 7–9 hours each night and practice mindfulness or yoga to manage stress.
4. Maintain a healthy BMI (≤25 kg/m²) and avoid smoking.
5. Keep blood pressure below 120/80 mm Hg and total cholesterol under 200 mg/dL.
6. Stay socially engaged and pursue a sense of purpose.
7. Adhere to recommended screenings and vaccinations.

Lloyd‑Jones’s science is clear: longevity is not a mystery but a series of actionable choices. By integrating these habits into daily life, individuals can not only extend their years but enrich the quality of those years.