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Study Shows Exercise Can Keep Astronaut Hearts Healthy for Mars

Confirmed

Science Desk

In Short: These findings underscore the importance of incorporating both high-intensity exercise and healthy habits into daily routines to support overall health.

Scientists have discovered that high-intensity exercise can offer greater health benefits than longer, moderate-intensity workouts, according to a study published in the Independent.

Cardiologist Dr. Paul Cohen, who leads the molecular metabolism lab at New York’s Rockefeller University, explained, “What’s exciting here is that just a few minutes of intense exercise can trigger a significant molecular response.”

The study involved nearly 20 healthy men who ran 30-second sprints over the course of one 23-minute session. These participants had more molecules in their bloodstream linked to improvements in muscle, liver, intestinal, immune, and organ health compared to men who cycled for 90 minutes.

Researchers have long known that exercise is tied to better health outcomes, but the exact mechanisms behind these benefits have not been fully understood.

The findings add to the growing body of evidence that exercise changes the body, but not all intensities are equal in their effects.

However, the study had limitations, including the exclusion of women and its relatively small sample size.

In a separate study, researchers at the University of Tsukuba in Japan found that even slow running could positively influence exercise-induced pleasure levels.

The study also highlighted the cognitive and neural benefits of exercise, suggesting that mental activities like language learning could help maintain cognitive function.

Another study found that sitting next to a loved one can reduce stress responses and improve physiological functions, indicating the importance of social support in health.

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