We worry about exposure of children and especially young children who cannot get away from adult parents who smoke.

CNN: Is secondhand smoke really that risky?

Increasingly, however, analysts worry about the exposure of American, Canadian and Asian banks.

ECONOMIST: The crisis of confidence

Despite a burgeoning gay scene in India's big cities, many Indian homosexuals worry more about exposure to their families and colleagues than about the law.

ECONOMIST: Where Victorian values and repressive laws still hold

But a number of incumbent Democrats worry their political exposure is higher if they vote for the administration's proposal, and can be tagged with explicitly approving tax increases.

WSJ: More Democrats Urge Broad Tax Breaks

"I have seen enough of the results of radiation exposure in animals to worry me, " she said.

BBC: Nuclear birth fears eased

Perhaps that will not worry WaMu too much, because WaMu wants to reduce exposure to the mortgage market and commercial lending, to concentrate instead on its consumer-banking business.

ECONOMIST: Mortgage banks: Double WaMu | The

After the subprime market began to self-destruct in late 2006, the viability of the insurers was called into question. (See "MBIA's Startling Exposure Disclosure" and "You Should Worry About Ambac").

FORBES: Buffett Offers Bond Insurers A Devilish Deal

Critics worry that this undermines claims made by groups like SumOfUs of workplace exposure to neurotoxins, long working hours, and other dangerous working conditions.

FORBES: Consumer Watchdog Group Accuses Apple Of 'Whitewashing' Worker Conditions In China