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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

4 min

Can dementia be picked up on a scan? A Guide to Brain Imaging for Diagnosis

Over 55 million people worldwide are living with dementia, a number that is projected to grow significantly. When cognitive changes are noticed, many people ask: **Can dementia be picked up on a scan**? Imaging is a powerful tool, but its role in diagnosis is often misunderstood, serving as a piece of a larger diagnostic puzzle rather than a definitive answer on its own.

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2 min

What is the index of sarcopenia on CT scan?

Over 50% of hospital patients may have low muscle mass, a condition called sarcopenia. The skeletal muscle index (SMI), derived from computed tomography (CT) scans, is the standard metric used to objectively and opportunistically diagnose this age-related muscle loss.

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4 min

What is the best age to get a calcium scan?

According to a 2021 study in the *Journal of the American College of Cardiology*, the ideal time for a first coronary artery calcium (CAC) scan depends significantly on individual risk factors. A calcium scan is a CT scan that measures calcified plaque in the heart's arteries, helping to predict heart attack risk. Deciding when to get a calcium scan should be a personalized discussion with a healthcare provider based on specific health factors.

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