What if the strength of your handshake could predict how long you’ll live? It sounds wild, but science says it’s true. Grip strength, the force you can muster when you squeeze a dynamometer, has emerged as a surprising predictor of longevity, and it’s got researchers buzzing.

Grip strength matches wellness and longevity.

Why does something as simple as grip strength matter so much?

A 2015 Lancet study analyzed data from over 140,000 people across 17 countries and found that an 11-pound or 5-kilogram decrease in grip strength was linked to a 16% higher risk of death from any cause, a 17% higher risk of cardiovascular death, and a 9% higher risk of stroke (The Lancet, 2015). “Grip strength is a simple yet powerful indicator of longevity,” says Dr. Darryl Leong, a lead researcher on the study. 

Grip Strength is a snapshot of your overall health

Grip strength isn’t just about your hands, it’s a snapshot of your overall health. It reflects muscle mass, which naturally declines with age (a condition called sarcopenia). Weak muscles can lead to frailty, falls, and loss of independence. But it’s not just physical. A 2018 study in The BMJ linked lower grip strength to cognitive decline, hinting at a brain-body connection (The BMJ, 2018). Plus, grip strength ties to heart health. Weak grip might signal poor blood vessel function, a risk factor for heart disease. Sarah Thompson, a 62-year-old fitness enthusiast, who started strength training after a doctor flagged her weak grip said, “I was shocked to learn my grip strength was low, now, I lift weights three times a week, and I feel stronger than ever.”

Listen to this episode on grip strength, wherever you get your podcasts.

The grip strength data connects to longevity

The research doesn’t stop there. A 2020 study in the Journal of the American Medical Association found that grip strength in midlife predicts disability-free survival into old age (JAMA, 2020). It’s also a marker of systemic health. Chronic inflammation, poor nutrition, and even socioeconomic factors can weaken your grip. A 2019 PLOS ONE study showed grip strength disparities often mirror broader health inequalities (PLOS ONE, 2019). 

What can you do to improve your grip strength and longevity?

So, what can you do to improve your grip strength and longevity? Start by testing your grip strength. Many gyms have dynamometers or ask your doctor. Then, build strength with exercises like deadlifts, farmer’s carries, or even squeezing a stress ball. Eat protein-rich foods to support muscle health and stay active. Your grip could be your ticket to a longer, healthier life. Want to learn more? Share your thoughts in the comments, and let’s get stronger together! 

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Citations

Leong, D. P., Teo, K. K., Rangarajan, S., Lopez-Jaramillo, P., Avezum, A., Orlandini, A., Seron, P., Ahmed, S. H., Rosengren, A., Kelishadi, R., Rahman, O., Swaminathan, S.,

Iqbal, R., Gupta, R., Lear, S. A., Oguz, A., Yusoff, K., Zatonska, K., Chifamba, J., ... Yusuf, S. (2015). Prognostic value of grip strength: Findings from the Prospective Urban Rural Epidemiology (PURE) study. The Lancet, 386(9990), 266–273. https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(14)62000-6/fulltext

Firth, J., Stubbs, B., Vancampfort, D., Tang, E., Solmi, M., Lappin, J., ... & Sarris, J. (2018). Grip strength and cognitive function in a large cohort of middle-aged and older adults: A cross-sectional study. The BMJ, 361, k1651. https://www.bmj.com/content/361/bmj.k1651

Cawthon, P. M., Manini, T. M., Patel, S. M., Newman, A. B., Travison, T., Kiel, D. P., ... & Orwoll, E. S. (2020). Midlife grip strength and risk of disability in older age: The Health, Aging, and Body Composition Study. Journal of the American Medical Association, 323(20), 2055–2063. https://jamanetwork.com/journals/jama/fullarticle/2764290

Simmonds, S. J., Syddall, H. E., Westbury, L. D., Dodds, R. M., Cooper, C., & Sayer, A. A. (2019). Grip strength among older adults: Associations with socioeconomic position and implications for health inequalities. PLOS ONE, 14(7), e0218162. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0218162