I am guessing that "the jury is still out on this question". Sure there will be plenty of anecdotal evidence that "demonstrates" the harmful effects unfortunately to a scientist that is pretty useless, we simply do not know the entire story. I am sure you will be aware of http://www.who.int/mediacentre/factsheets/fs193/en/index.html, http://www.emf-portal.de/_index.php and http://www.iarc.fr/en/research-groups/RAD/RCAd.html, to name but three sites. There is this book (http://books.google.com.au/books?id=-CotvQAzwhMC&lpg=PA76&ots=-aKTgocN7O&dq=beneficial%20effects%20of%20rf%20radiation&pg=PA76#v=onepage&q=beneficial%20effects%20of%20rf%20radiation&f=false) that has 6-7 paragraphs on the beneficial effects, that that isn't much to work with!

Thank you very much. I checked the book you wrote about and studied "The other side of the coin-beneficial effects of RF radiation" but there was nothing about the stimulatory/beneficial effects of mobile phones' RF radiation. As I wrote before, I am looking for evidence indicating phenomena such as RF-induced hormetic effects or adaptive response. As far as I know, currently Italian and Chinese scientists as well as my team are working on RF-induced adaptive response. All three groups have published some papers on this topic.

Is Mobile Phone Radiofrequency Radiation All Bad?

SMJ Mortazavi.

http://www.sciencedirect.com/science/article/pii/S2251729413000244

Journal of Medical Hypotheses and Ideas, In Press, Accepted Manuscript, Available online 2 September 2013

Dear Editor

In 1992, Dr. Sheldon Wolff published his widely cited paper ‘Is Radiation All Bad? The Search for Adaptation’ [1]. Dr. Wolff was widely honoured for his findings on the stimulatory effects of low doses of ionising radiation. Now, due to exponential increase in mobile phone use (4.6 billion users globally), we should ask a new question, “Is mobile phone radiofrequency (RF) radiation all bad?” It should be noted that, currently in some parts of the globe, mobile phones are the most reliable or even the only phones attainable. A large body of evidence indicates that when cells are pre-exposed to low doses of ionising radiation and DNA-damaging agents, such as ultraviolet (UV) radiation, alkylating agents, oxidants and heat, they become more resistant to high doses of those agents and in some cases to similar agents, a phenomenon that is usually referred to as the adaptive response. The induction of adaptive response after pre-exposure to low doses of ionising radiation was first described by Olivieri et al. for radiation-induced chromosomal aberrations in human lymphocytes [2]. Other investigators and I have recently indicated that RF radiation can induce an adaptive response phenomenon [3], [4] and [5]. We have also recently revealed that pre-exposure of laboratory animals to RF radiation emitted from a GSM (Global System for Mobile Communications) mobile phone increases their resistance to a subsequent bacterial infection [6] and [7]. As discussed in our work, this phenomenon may have implications in humans’ long-term stay in space [8]. However, the potential beneficial effects of (RF) radiation are not limited only to the induction of adaptive phenomena. Previously, we have indicated that the visual reaction time (VRT) of university students was significantly affected by a 10-min exposure to electromagnetic fields (EMFs) emitted by a mobile phone [9]. Furthermore, we have previously shown that occupational exposures to radar radiations decreased reaction time in radar workers [10]. Altogether, our results revealed that these exposures caused decreased reaction time, which might lead to a better response to different hazards and decrease the probability of human errors and fatal accidents. Meanwhile, cognitive beneficial effects of long-term exposure to high-frequency EMFs have been indicated by some studies. Using a word interference test, in 2007, Arns et al. showed that long-term heavy cellphone use resulted in better performance in normal subjects [11]. Moreover, Schuz et al. in 2009 reported that long-term cellphone users (subscribers of 10 years or more) had a 30–40% decreased risk of hospitalisation due to Alzheimer’s disease (AD) and vascular dementia [12]. In this light, it will be challenging to investigate if there are other RF-induced stimulating effects and to explore their potential applications. Further research may shed light on the dark areas of the health effects of short- and long-term human exposure to RF radiation.

Cell phones emit microwave radiation and this radiation increases the permeability of the blood brain barrier (BBB) (see studies by Leif Salford. Normally this is NOT a good thing. However, we know that it is difficult to get drugs into the brain because of the BBB so if the head is exposed to microwave radiation it will open the blood brain barrier and allow the drugs to penetrate. In the paper below, they used high levels of microwaves and I would anticipate that lower levels will also increase the permeability of the BBB as shown by Salford.

See following paper by Lin et al. 1998.

Enhancement of anticancer drug delivery to the brain by microwave induced hyperthermia. Bioelectrochemistry and Bioenergetics Volume 47, Issue 2, December 1998, Pages 259–264

Abstract

Methotrexate (MTX) is a widely prescribed antifolate in cancer chemotherapy for a variety of neoplasms. Like many useful, hydrophilic antitumor drugs, MTX is excluded from the brain after systemic administration due to its inability to cross the blood–brain barrier (BBB). The blood–brain barrier functions as a differential filter which permits the selective passage of substance from blood to extracellular brain spaces. It maintains the physical and chemical environments of the brain within certain narrow limits. We have studied enhanced uptake of MTX in brains of male rats (10-week old Wistar, 500 g, three per group) subjected to selective microwave hyperthermia of the left hemisphere. The rat was anesthetized using 40 mg/kg of sodium pentobarbital, IP and was placed in a stereotaxic head holder. Microwave energy (2450 MHz, 2.6 W/cm2, 208 W/kg, CW) was applied for 20 min. The body temperature was kept at 37.8±0.4°C. The brain temperature recorded in a similar group of rats using a carbon filament probe (Vitek) was 42.7±0.4°C. Three different MTX dosages, 50, 100, and 200 mg/kg, were injected intravenously immediately following microwave irradiation into the rat in 1.5, 3 and 6 min, respectively. The drug was allowed to circulate for 5 min before brains were removed for analysis. Standard HPLC assays were applied to samples from the anterior and posterior left hemisphere of the cerebrum, and the cerebellum. Samples from the right hemisphere were used for controls. The average uptake at the posterior left hemisphere was found to be 2.25±0.43, 10.40±2.59, and 17.23±1.13 μg of MTX per g of brain tissue for 50, 100, and 200 mg/kg doses, respectively. In another series of experiments, MTX bolus was not injected until 15 or 45 min after cessation of microwave irradiation. Brains of rats injected 45 min after irradiation were free of MTX. Animals euthanized 15 min post-irradiation had an average midbrain MTX concentration of 2.5±0.46 μg/g of tissue. These results indicate that MTX uptake is significantly increased in rat brains subjected to noninvasive microwave hyperthermia treatment. Furthermore, the increase is reversible within 45 min post-irradiation.