Dossier Physical activity | Observatoire de la prévention de l'Institut de Cardiologie de Montréal

Preventing Alzheimer’s disease by walking?

7 January 2026

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Dr Louis Bherer, Ph. D., Neuropsychologue

A study reports that older adults who regularly engage in moderate physical activity (5,000-7,500 steps per day) show a decrease in certain markers of neurodegeneration and improved cognitive health.

The importance of being active after a heart attack

6 January 2026

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Dr Martin Juneau, M.D., FRCP

A study reports that after hospitalization for an acute coronary syndrome, low levels of physical activity combined with long periods of sedentary behavior significantly increase the risk of mortality in the following year.

Mental health: “weekend warriors” reap similar benefits to those who exercise regularly during the week

3 October 2024

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Dr Louis Bherer, Ph. D., Neuropsychologue

Exercising for one or two days a week provides the same mental health benefits as exercising every day of the week, according to a recent study.

The anxiolytic effect of exercise: a new role for lactate

9 September 2024

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Dr Martin Juneau, M.D., FRCP

Lactate, a metabolite produced abundantly during sustained exercise, is thought to confer resistance against stress, according to a study carried out in mice.

Increased longevity in elite athletes

8 August 2024

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Dr Martin Juneau, M.D., FRCP

According to a study, elite athletes who ran a mile in less than 4 minutes had increased longevity compared to the general population, a result that contradicts the hypothesis that extreme exercise is harmful to health and reduces longevity.

High-intensity resistance training to preserve muscle strength as we age

24 July 2024

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Dr Martin Juneau, M.D., FRCP

High-intensity resistance training practised near retirement age preserves muscle strength for several years, according to a recent study.

Slowing down aging, a new concept for the prevention of all chronic diseases

5 April 2024

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Dr Martin Juneau, M.D., FRCP

Age is an important risk factor for all chronic diseases, implying that finding ways to slow down aging could simultaneously delay the onset of all these diseases and significantly improve healthy life expectancy.