High-Intensity Daily Movement May Cut Risk of Diabetes and Dementia: Study

Struggling to find time for exercise? A new study shows brief, intense daily activities can slash your risk of dementia and heart disease. Learn how intensity is key.

A recent study published in the European Heart Journal shows that even a small amount of intense physical activity each day might help reduce the risk of various serious diseases. These include arthritis, heart disease, and dementia. The research shows that brief moments of intense effort, such as rushing to catch a bus, can offer significant health benefits.

Study Overview

The study, led by Professor Minxue Shen from Central South University in China, analyzed data from about 96,000 individuals who were part of the UK Biobank project. All participants wore wrist devices for a week that recorded their movements, including short periods of high-intensity activity that are often ignored or overlooked.

The researchers looked at how active people were overall and how much of that activity was vigorous. They then tracked the participants for seven years to evaluate their chances of developing eight major health conditions, such as cardiovascular disease, type 2 diabetes, dementia, and chronic kidney disease.

Stronger Benefits

People who included more vigorous activity in their daily routines had lower risks for all the conditions studied. Those who engaged in the highest levels of intense physical activity had a 63% lower risk of dementia, a 60% lower risk of type 2 diabetes, and a 46% lower risk of death when compared to those who did no vigorous activity.

Notably, these benefits were seen even when the total time spent on vigorous exercise was quite limited. This suggests that the intensity of the activity, rather than just the length of time, is a key factor in improving health outcomes.

How It Works

According to Professor Shen and his team, vigorous activity causes stronger physical reactions than moderate exercise. It helps the heart work more efficiently, improves the flexibility of blood vessels, and enhances the body’s ability to use oxygen.

It may also help reduce inflammation, which could explain the lower risk of conditions like arthritis and psoriasis. Additionally, intense activity may stimulate brain chemicals that help keep brain cells healthy, potentially lowering the risk of dementia.

Everyday Changes

The researchers stress that these benefits do not require going to the gym. Simple changes in daily life, such as climbing stairs, brisk walking between tasks, or playing actively with children, can make a difference. Just 15 to 20 minutes of such activity per week was associated with noticeable health improvements.

However, the researchers also warn that vigorous exercise may not be suitable for everyone, especially older adults or people with existing health conditions. In these cases, any increase in movement is still beneficial, and the activity should be tailored to match individual needs.