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Source: Pixabay.

Its not often that I get chance to do this, but I have a double-dose of good news for everyone.

First, according to the latest data from the Centers for Disease Control and Prevention, US life expectancies have risen to 78.8 years -- the highest ever recorded within the country. In other words, a mixture of living a healthier lifestyle (eg, not smoking, eating right, and exercising) combined with improved pharmaceutical know-how is substantially extending our lifespan.

But, the other side to this news is also good, because it means you as an investor have an opportunity to take advantage of the needs of an aging population.

Think about this for a moment: If people are living longer than ever before, it means extra years of consuming items they love, taking advantage of products and services they need, and potentially spending a lot more than seniors did in previous decades.

I believe the best way to invest money in an aging population, and perhaps the most logical choice, is to consider buying stocks in the healthcare sector.

Source: Alzheimers Society, Facebook.

Healthcares bright future
Why healthcare? Theres obviously a plethora of reasons, but the most important of those is that as people age they become more reliant on the healthcare system to support their needs. This could be as simple as more frequent visits to the doctor, or the need for a few pharmaceutical medications, to something long-term such as the need for nursing home care.

In addition, the Affordable Care Act, better known as Obamacare, is transforming the healthcare landscape. While senior citizens aged 65 and up are far and wide covered by Medicare, those under the age of 65 are being introduced into a system thats designed to encourage people to visit their primary care physician more frequently. More visits to the doctor could lead to earlier disease diagnoses and the need for long-term maintenance therapies, which also where healthcare investments could come in handy.

As noted above, an aging population is also more likely to need senior housing or a nursing home at some point in their life. Based on data from the US Census Bureau, slightly more than 5% of those aged 65 and up live in a nursing home. This figure jumps to nearly 50% for those aged 95 and up. As life expectancies grow and our population of elderly citizens increases -- remember, baby boomers are retiring in full force over the next 15 years -- the need for end-of-life care is going to take precedence.

Lastly, investing in the well-being of others is a socially good thing to do. Putting your money behind companies that are potentially changing millions of lives is often a good proposition.

Where to safely invest your money?
Now that youve listened to my generalized spiel of why the healthcare sector is the best way to invest money in an aging population, let me offer a few specific examples of where you can consider parking your money.

For more risk-averse investors there are a couple of relatively safe ways to approach the idea of investing in Americas aging population.

Image: GotCredit.com via Flickr.

So much personal-finance and investing advice deals with how to save and invest for retirement. However, its just as important to know how best to invest your money when youre in retirement. After all, once you retire, youll still have a portfolio to manage, and youll need it to continue performing so it lasts just as long as you do.

Think about it. Few of us have pensions anymore, and Social Security wont provide most people enough to live comfortably on -- the average monthly benefit was $1,331  per month as of February, or about $16,000 per year. Therefore youll depend on your own retirement savings to keep you comfortable and financially secure.

Meanwhile, if you retire at 65 and live as long as the average retiree, then youll need your nest egg to last you about 20 years. Over that period of time, inflation can put a serious dent in your retirement savings. For example, if your savings were not invested and therefore did not grow at all, inflation of 3% per year would cut your nest egg in half over the course of 25 years.

Clearly, then, its best to invest your money in retirement so that it grows at least enough to keep pace with inflation.

Silicon Valley has been the cradle of tech growth in the US since the 1950s. As early players like Hewlett-Packard (NYSE: HPQ) matured, new start-ups arrived and became established tech titans on their own. Today, Silicon Valley is filled with so many tech companies that its tough for new investors to know where to start investing their money.

In my opinion, theres one Silicon Valley company thats both a solid investment and an embodiment of the regions most innovative qualities -- Google (NASDAQ: GOOG) (NASDAQ: GOOGL) , the search engine that evolved into an 800-pound gorilla on the Internet. Lets take a look at Googles core strengths, innovations, and blind spots.