If anything, a detector seems to act more like a placebo in medicine inducing an effect in the mind of the recipient just by being there.

ECONOMIST: Lie detectors

But the drug "hits a lot of targets, and one concern is to make sure you are not inducing an untoward effect in people who are not as severe as kids with progeria, " Dr. Collins said.

WSJ: Progeria Drug Study Helps in Search for Clues on Aging

Ann Kelley of the University of Wisconsin, for example, has shown that giving calorie-packed chocolate Ensure, a diet supplement, to rats rapidly reduces pleasure-inducing endorphins, an effect also seen in rats that have been given narcotics.

FORBES: Food on the Brain

Hardware acceleration of both 2D and 3D UI elements -- shown off to great effect by Google's Hugo Barra, who managed to scroll through three lists simultaneously without inducing any lag on the Motorola Xoom -- should make Honeycomb as delicious to look at as it sounds, while our personal favorite, the new tablet-specific email interface, should be part of Gmail yesterday.

ENGADGET: Watch Google's Android event in full: Honeycomb on the Xoom, Android Market website, in-app purchases, and Cee-Lo Green

Smoking bans could have an effect on reducing heart attacks or heart disease generally by one of two major routes: either by inducing current smokers to quit or by reducing the exposure of non-smokers to environmental tobacco smoke (ETS).

FORBES: Do Smoking Bans Really Save Lives? If So, Whose?