Thursday, July 29

The best time to exercise to prevent certain types of cancer – Times of India

Morning workouts are considered to be the best. They give you the energy to kickstart your day, help you sleep better at night, boost your immunity, reduce your risk of diseases and the list is never-ending. Another major benefit of working out in the morning hours is it reduces your risk of certain types of cancers, says a new study.

The study

Researchers observed 2,795 participants in a study in Spain that tracked the influence of environmental and genetic factors in cancer prevention – especially colorectal, breast gastroesophageal, prostate cancers and chronic lymphocytic leukaemia.

The results were published in the International Journal of Cancer and it was found that people who regularly exercised in the morning between 8 am to 10 am had reduced cancer prevalence, especially for breast and prostate cancer.

This happens because the higher levels of estrogen are associated with an increased risk of breast cancer and the production of estradiol – the main estrogen hormone peaks around 7 am. Physical activity lowers the estrogen levels and helps keep the estradiol levels regulated.

A disturbed circadian rhythm has been linked to an increased risk of cancer risk and other major problems like cardiovascular disease and diabetes.

A good night’s sleep and morning exercise can help one reset the body clock and lower the risk of cancer.

Other benefits

According to a study published in the Journal of Physiology, people who exercised around 7 am or between 1 pm and 4 pm advanced their body clock enough that people were able to start their day earlier the next day.

On the other hand, people who exercised in the evening between 7 pm and 10 pm, delayed the body clock, which means they had a harder time getting to peak performance the next day.

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