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What Happens to our Bodies when we Do not Exercise

According to My Lungs My Life, your muscles weaken and lose bulk including the muscles you need for breathing and the large muscles in your legs and arms, when you do not exercise. Therefore, this might lead to simple daily tasks becoming more difficult.


Some of the things that might happen to your body includes:


May lead to increase of weight

One study by Stanford University researchers published in The American Journal of Medicine, looked at long-term results from more than 17,000 participants, in the National Health and Nutrition Examination Survey.

The analysis found that from 1988 to 2010 the percentage of adults, who reported doing no exercise in their free time grew from 19% to 52% in women and from 11% to 43% in men.

During that same period, the researchers found that the prevalence of obesity in women jumped from 25% to 35%, and from 20% to 35% in men.

Therefore, most experts agree that your eating habits play a greater role in weight gain or loss than the amount of exercise you do. However, considerable research has shown a correlation between obesity and a sedentary lifestyle

May increase Risk of early deaths

Researchers found that people who were the least fit (as determined by a treadmill test) were at a 500% increased risk of dying early. Not exercising, or even not getting physical activity, is a confirmed risk factor of premature death.

In fact, inactivity and being sedentary causes more deaths around the world than cigarette smoking or diabetes, according to a study published in The Lancet.

May lead to developing High Blood Pressure

Exercise helps your heart pump more efficiently. If your heart is fit, it has to work less hard to pump blood, and the force through your arteries decreases. If you don’t exercise, over time your cardio-respiratory fitness decreases.

Researchers have found out that subjects whose fitness levels decreased over that time period, had a 72% increase risk in developing high blood pressure compared to subjects who increased their cardio-respiratory fitness. 


May lead to developing a heart disease

Medicine researchers analyzed reported exercise levels in more than 11,000 people participating in the Atherosclerosis Risk in Communities study, and found that going without physical activity in middle age for six years was linked with an increased risk for heart failure. 

Even when you have none of the classic risk factors for heart disease, like high blood pressure, high cholesterol, and obesity, inactivity can still lead to heart disease.

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May increase risk getting certain cancers

While no studies have proven lack of exercise causes cancer, many self-reported observational studies have provided evidence, linking higher physical activity to lower cancer risk, according to the National Cancer Institute.

For example, a 2016 review of 126 studies found that people who engaged in the highest level of physical activity had a 19% lower risk of colon cancer compared to those who were the least physically active. 

Similarly, a meta-analysis of breast cancer studies showed that women who exercised the most had a 12% to 21% lower risk of developing breast cancer.

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