On Our Radar: Smart Retirement, Low-Carb News, and Ice Cream Brain Freeze

If you've planned your retirement strategy, you've got some numbers in mind--how much money you'll need to finance the work-free years, when you'll reach that goal, and how you'll spend both the money and the time.

Along the way, you're making tough choices and more than a few sacrifices. According to U.S. News & World Report, there's a right and a wrong way to proceed. Check their intriguing list (don't neglect family, be sure to explore outside interests) of retirement dos and don'ts, with some good links to sound retirement planning.

As baby boomers retire and downsize their homes, they're driving a return to city living.

We've got a great list of the top 11 hot jobs for people over 40 here at SecondAct.com.

There's a new challenge in the fight against Alzheimer's Disease as pharma giant Eli Lilly stops all trials for a potential Alzheimer's drug. Instead of improving, patients who took the drug saw their cognitive functions worsen, according to The New York Times.

Another wrinkle in the field of brain research--repeated head trauma, like concussions, can mimic the symptoms of Lou Gehrig's Disease, The Wall Street Journal reports.

Meanwhile, the wide-ranging egg recall due to salmonella contamination has expanded to include 17 states. At least 380 million eggs are involved in the recall, and people in at least four states have become ill.

Which group has the most entrepreneurial spirit? People over 50, according to a column in USA Today, which says "the 50-plus population controls more than $7 trillion in wealth and is responsible for 50 percent of all discretionary spending."

Put down that doughnut--turns out that low-carb diet really is good for your heart.

Intriguing analysis from The Motley Fool, exploring whether hard times for baby boomers will have a direct effect on the stock market.

Will health-care costs turn out to be an economic black hole for retirees?

And perhaps most useful of all in this summer of relentless heat, the medical answer to that age-old mystery--why, oh why, do we get ice cream brain freeze?