July 13, 2025
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How did the invention of the light bulb lead to an increase in cardiovascular disease and cancer?

  • May 24, 2024
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Thomas Edison There are some comments about whether Edison invented the light bulb, which he introduced into our lives in 1879, but our topic is now completely different.

How did the invention of the light bulb lead to an increase in cardiovascular disease and cancer?

Thomas Edison There are some comments about whether Edison invented the light bulb, which he introduced into our lives in 1879, but our topic is now completely different. If you are curious about the invention process of the light bulb, you can find the details in our relevant content at the end.

Let’s get to our topic: the invention of the light bulb. artificial light, How has it increased cardiovascular disease and cancer?

Before the invention of the light bulb, people adapted their daily routines to natural sunlight.

Sleep disorders

When the daylight disappears, Melatonin production increases and this helped the body to fall asleep. With the invention of the light bulb, artificial light allowed people to stay awake late into the night.

Artificial light suppresses the production of melatonin, which disrupts sleep patterns. Sleep disorders is an important risk factor for cardiovascular disease. Research shows that the risk of high blood pressure, heart attack and stroke increases with insufficient and irregular sleep.

With the invention of the light bulb, night work became commonplace.

Those who work night shifts are constantly exposed to artificial light, which disconnects them from the natural biological rhythm of the day. This situation, disrupts the circadian rhythm and increases levels of the stress hormone cortisol in the body.

High cortisol levels have a negative effect on cardiovascular health in the long term. Lots of research, night shift workers, This indicates that people who work during the day have a higher risk of cardiovascular disease than people who work during the day.

In addition, some studies concern cancer. Women who work alternating night shifts are investigated and these women breast cancer The risk appears to be greater.

The invention of the light bulb also paved the way for technological developments.

invention of the light bulb prevents cardiovascular disease

Televisions, computers and mobile devices have changed our lifestyle enormously. People started spending less time on physical activity and sitting longer. Sedentary lifestyle, obesity, diabetes and heart and vascular disease An important risk factor for Research has shown this for some time to stay quiet It also shows that it increases the risk of heart disease.

Exposure to artificial light also has a direct influence on blood pressure.

Being under high levels of artificial light, especially at night, can stimulate the sympathetic nervous system and increase blood pressure. chronic high blood pressure It causes serious cardiovascular problems such as heart attack and stroke. This constant exposure to artificial light caused by modern life plays a major role in increasing the prevalence of high blood pressure.

When we look The invention of the light bulb, It undoubtedly represents an important advance in human history. However, the relationship between the widespread use of artificial light and the increase in cardiovascular disease also shows the dark side of modern life.

Sources: National Library of Medicine, DarkSky

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