http://www.economist.com/blogs/babba.../04/depression

At the end of the trial, the 34 people who received one dose a day showed a 73% improvement in their wellbeing; the 31 others who had two improved by 67%. The results surprised researchers who concluded that the biochemical process should not be forced. "You cannot keep pulsing," says Professor Dissing. “The release of growth hormones, and their synthesis in the capillaries, can only occur so fast. That's rate limiting,” he explains. Nevertheless, some participants felt the positive effects after just a week.


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he device may yet have other uses too. In May, scientists from Odense University also in Denmark will study 120 patients to discover whether T-PEMF can slow the physical degeneration (particularly stiffness and tremors) caused by Parkinson’s disease.

But for now some participants in the trial are already grateful for the helmet’s effects on their mood. Annemette Øvlisen, a graphic artist who suffered recurrent depression for 16 years, was amazed. “It’s like the fog lifts. It was as though somebody hit the reset button,” she says.