They should prioritize research and public health initiatives to further define the burden, explore variable risk factors and utilize effective prevention strategies.

要优先考虑研究和公共卫生措施，以进一步界定疾病负担，探索可变危险因素，利用有效的预防战略。

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Reflecting just how complex this market has become, most universities borrow at variable rates and then hedge their interest-rate risk through swaps.

这就反应出了市场变得是多么的复杂，很多大学贷款的比例都不一样，然后通过交换来保护利率风险。

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Garcia explains that the three big emotional elements of a dopamine rush are high risk, substantial rewards and variable motivation - or numerous ways the experience can pay off.

Garcia解释道，多巴胺突然产生有三个最主要的情感因素，即高风险，物质回报，情绪多变—或者通过很多其它途径让你的经历有所收益。

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Once demand recovers, or at least stabilizes, Weiss sees good return potential in the sector and said he prefers to avoid companies that concentrate in refining and marketing since they have greater volatility and are therefore recommended for investors with higher risk tolerance and a variable holding period.

FORBES: Oil Prices To Grease Upward Revisions

Interestingly, the SEC just announced the increasing use of alternative and hedge fund strategies by mutual funds, ETFs and variable annuities as a new and emerging risk.

FORBES: Does Going It Alone Increase Risk?

The answer is, overwhelmingly, insurance companies peddling high-cost, tax-deferred variable annuities with crappy proprietary mutual fund options and high-risk fixed accounts.

FORBES: With Pensions At Risk, Government Workers Must Demand Better 457 and 403(b) Retirement Plans