Not only are these devices of radically different operating powers, but they are equally at the mercy of the Inverse-square law. The Inverse-square law is a physical law which states that the quantity or intensity of linear-wave radiation is directly inverse to the distance the observing/affected body is from the source of the radiation. In the illustration above, you can see how the further the given area (A) is from the source of the radiation (S), the less exposure it receives. This law applies to radio, microwaves, visible light, and all manner of waves we experience around us in the natural world.
Electromagnetic fields have been shown to disrupt melatonin production. In turn, sleep and overall health are disrupted. Charge your phone in another room. If you must be available to loved ones during the night, keep a corded phone next to your bed, or keep the cell phone on the other side of the room. (See more about safe sleeping in the post Sleep, Melatonin and Electronic Devices.)
The iPad case is made of real leather, a natural and organic material, and allows you or your children to use an iPad safely, without having to worry about radiation pouring from the pad as you read, write, watch TV's or movies, or play your favorite games. It contains all the necessary heat and radiation shielding to keep you safe from iPad radiation, including protection from:
If you have invested in the latest iPhone, or you are rocking a super-cool Samsung Galaxy S7 or S6, you don't want to wrap it up in an ugly case that hide's the phone's designer charms. Shop hot brands such as OtterBox and LifeProof, and ensure your phone has optimum protection without sacrificing style. Sellers on eBay have a wide inventory of top-name brands in bran new condition, making it possible to pick out a case that is a true reflection of your fashion-forward personality.
Cell phone radiation may disrupt the functioning of pacemakers. A 2005 study in the International Journal of Cardiology found that mobile phones may have "adverse effects" on pacemaker functions under certain conditions.  According to the US Food and Drug Administration (FDA), radiofrequency energy from cell phones can create electromagnetic interference (EMI) that may disrupt the functioning of pacemakers, especially if the cell phone is placed close to the heart.  The American Heart Association includes cell phones on its list of "devices that may interfere with pacemakers." 
“Without following these instructions, we risk being exposed to levels of radiation that are too high- higher than radiation limits set by our federal government. The reality is that radiation emissions from devices are tested before going on the market- with a space between the device and your body. For cell phones the distance varies depending on the manufacturer and is under an inch.” Cell Phone Radiation FAQ’s, Environmental Health Trust; Twitter: @saferphones
Increasingly, more people are reporting symptoms associated with WiFi radiation, or non-ionizing radiation, such as headaches, nausea, dizziness, and loss of concentration. Some governments and public bodies are choosing to take precautionary measures, as this topic continues to be studied, by banning or regulating WiFi in public places and schools.
Hundreds of clinical studies have attempted to troll the netherworld of cell phone emissions. To echo the FDA: so far no conclusive evidence exists that proves a health risk from cell phone RFs. BUT studies still need to be done. Scientists have argued that research suffers when forced into short-term constraints. Consumers demand quick and speedy results, a demand that short-circuits authentic scientific study.
It is useful to be aware of new health research regarding cell phone usage and cell phone radiation. The first cell phone call was made in 1985 and that phone cost $5,000 and weighed about 9 pounds. The change in size, weight and cost of devices today has probably led to over 50% of the human race owning a mobile device, the fastest growing technology on the planet.