Then, over a six-month period, they stimulated the electrodes, targeting positive effects on mood, anxiety, and the impulse to restrict, binge, and purge.

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Other research targeting the social effects of loneliness and isolation have also shown dramatic health risks.

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It is hoped that gene therapy will have fewer associated side effects by targeting cancer cells.

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Second, widespread sensor and other data streams allow more granular measurement of effects, and superior targeting of actions based on these tests.

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Suddenly, the machine's display fades to black, temporarily blinding the user while a targeting reticule overlays the screen, accompanied by a series of mechanical and digital sound effects.

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Their emergence is part of a trend of smaller and smaller groups targeting corporations and markets, rather than governments, to achieve their goals, sometimes with spectacular effects.

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