D)
1.-The author is criticizing this use if technology.
2.-They say it is safe because they don't want sales to go down.
3.-Some simptomes are headachs, nausea, tiredness, and memory loss.
4.- The author suggests not to have wireless devices in your bedroom because it disturbs your sleep.
5.- The excess use of wireless devices over a long period of time can cause tumors in our barains.
6.- The author tells us that once we have lost our good health it can be very hard to get it back again.
