cellphones

Is your smartphone keeping you awake at night?

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By: Kshamica Nimalasuriya MD, MPH, 12/18/2013

(NaturalNews) If you have trouble falling asleep - or staying asleep - you can stop attributing it to stress, caffeine or a Type A personality. Your smart phone may be the culprit, by robbing you of your natural sleep-inducing hormone, melatonin. We've always known that exposure to a light source is bad for sleep. Cavemen knew it, babies know it and even plants need the lights turned off periodically. But shining a bright LCD light directly into your eyes with a cellphone, laptop or tablet just before bedtime sends your brain the "wakey, wakey" message.

 

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Ubiquitous Across Globe, Cellphones Have Become Tool for Doing Good

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NYtimes, By: Esha Chhabra, 11/08/2013

The cellphone has become more of a tool and less of a toy, especially among the poor, and those trying to help them, in emerging markets. It helps deliver, via text message, water, energy, financial services, health care and even education.

 

Many of the aid services that employ mobile phones are Western-inspired but designed for people making $2 a day. For example, graduate students at Stanford University developed software, M-Maji, to map clean water stations in Kibera, Kenya, a dense urban slum in Nairobi. Think of the Gas Buddy app, but instead of searching for the cheapest and closest gas station, M-Maji helps Kibera residents find clean water within walking distance. A text offers three options: find water, sell water or file a complaint.

 

For more on this story visit www.nytimes.com

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