Screen Time for Adults + Blue Light Blockers

October 17, 2018


Screen Time

How much time would you say you spend daily on electronic devices? Would you consider yourself addicted or just average?  Well guess what girlfriend (and guy friends)....adults spend, on average, 11 hours- HOURS per DAY looking at some sort of screen!! And, it gets better, we typically check our phone every 10 minutes.  That's NUTS!!  

We get it, it's hard to escape technology because its tied to our entire work day and we use our phones/tablets/laptops to live our lives outside of work. But what is all that time really doing to us?

Screen time impacts the same area of the brain that drugs and alcohol do. Not only does it affect your brain but screen time can effect our health as well....

-VISION: staring at a screen for long periods of time can cause "computer vision syndrome."  Symptoms of this are strained, dry eyes, blurred vision, and headaches.  Poor posture will lead to neck and shoulder pain.

-SLEEP: studies have shown heavy screen time use can cause more sleep disturbances and the blue light from the devices suppresses the sleep-promoting hormone melatonin, keeping you from getting a restful night of sleep.

-ADDICTION + REWARD SEEKING: dopamine, the "feel-good hormone," is part of the brain's pleasure and reward circuits.  Watching tv turns on similar brain regions as those linked to cravings for drugs and gambling, Ditto for social media - every time we see a new post or get a reaction to ours, it's like a hit of brain candy.

-WEIGHT: even tow hours of television a day can increase the risk of weight gain, diabetes, and heart disease in adults.  (computer use doesn't seem to have as strong a link.). There are probably several factors to blame, including less active time, less sleep, and seeing more ads for unhealthy foos.

-OVERALL HEALTH: most of the time we're on our screens, we're sitting down.  Sitting for hours at a time boost the risk of obesity, heart disease, type 2 diabetes, and some types of cancer.  One study found that spending more than four hours a day in front of a computer or TV more than doubles your likelihood of dying or being hospitalized for heart disease.  

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If you want to monitor your overall cellphone use iPhone now have the options to get a weekly update on there screen time.  Just click into your setting to start!


Blue Light

What is blue light?  
"Light is made up of electromagnetic particles that travel in waves.  These waves emit energy, and range in length and strength. The shorter the wavelength; the higher the energy. The length of the waves is measured in nanometers (nm), with 1 nanometer equaling 1 billionth of a meter.  Every wavelength is represented by a different colour, and is grouped into the following categories: gamma rays, x-rays, ultraviolet (UV) rays, visible light, infrared light, and radio waves.  Together these wavelengths make up the electromagnetic spectrum.  However the human eye is sensitive to only one part of this spectrum: visible light. Visible light is that part of the electromagnetic spectrum that is seen as colours: violet, indigo, blue, green, yellow, orange and red.  Blue light has a very short wavelength, and so produces a higher amount of energy. Studies suggest that, over time, exposure to the blue end of the light spectrum could cause serious long-term damage to your eyes."

Ways to limit your exposure to blue light rays

  1. Cut back your screen time whenever possible, especially close to bedtime

  2. Avoid using devices in the dark, helps to decrease eyestrain

  3. Lower screen brightness to just the amount you need to see comfortably

  4. Filters: shift your phone into "Night Shift" mode, you can download eye protection apps that have "Blue Light Filters"

  5. Blue Light Blocking Glasses - Amazon for the win!!

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