Working all day is demanding, so keeping energized and focused is the key to staying on the ball and bring as productive as possible. Adequate sleep is always helpful, as is properly (and naturally) fueling our bodies so we can deliver our A game from the day's first pitch right through until the final stretch.

Swigging artificial "energy" drinks and munching on sugary candy filled with who-knows-what is not a healthy way to keep your body going strong and your mind sharp. Go natural and not only will you feel great, but your brainpower will be running on all cylinders from dusk 'till dawn.

These 3 all-natural foods will keep your concentration clear and your focus fresh. Plus, they taste great and contain body-boosting benefits. Eat up and perk up for all day alertness and action. It's as easy as A, B, C!

Avocados

If you love guacamole, you're in luck! As per Dr. Axe, "Avocados are packed with monosaturated fats or the "good" kind, keeping blood sugar levels steady." You won't get that dreaded slump other foods can deliver after digestion. In addition, the vitamin K and folate help improve brain cognitive function, working on memory and concentration.

Dice some ripe avocados in your salad or even blend into a creamy smoothie. Avocados will keep your belly full and your brain at its best.

Blueberries

Delicious, full of vitamins, and low in calories, blueberries are the perfect food to keep your mind quick all day long. According to Authority Nutrition, "The antioxidants in blueberries seem to have benefits for the brain, helping to improve brain function and delaying age-related decline."

Dr. Axe adds, "Because of their high levels of gallic acid, blueberries are especially good at protecting our brains from degeneration and stress."

Snack on a handful of nature's candy mid-morning, mix into a cup of yogurt, or bake into a low-fat muffin for an on-the-go breakfast that will keep you on your toes from the brain down.

Celery

Mom always told you to eat your veggies, and she may have been on to something. According to Mercola, "Celery is a rich source of luteolin, a plant compounds that may calm inflammation in your brain, which is a primary cause of neurodegeneration."

Luteolin can also be found in carrots and peppers and help counteract the onset and progression of memory loss. Dice some celery into your salad or fill the middles with peanut butter or cream cheese.

Be sure you're prepped with these office lunch must-haves so you can bring your mind-boosting goodies with you every day.

Munching has never been so good for the mind!

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Developing further skills can boost your career at any stage.

Whether you are looking for a new job or trying to grow in your current one, getting a certification can be a great way to improve your skills.

Anyone can put that they are proficient in a computer program on their resume but having a certificate can help you stand out amongst the competition and give credence to the strength of your skills.

But what's the best way to invest in yourself without breaking the bank? Some certification programs can cost hundreds if not thousands of dollars. We are going to walk through six of the best certifications you can get for $100 or less.

Tableau

Tableau's data visualization capabilities are comparable to Domo and Power BI.

Who is it best for: Those who work with analyzing and presenting data.

Cost: $100 for Tableau Desktop Specialist; additional certifications are available for a larger fee.

More companies than ever see themselves as data companies. Being able to understand data and use it to guide decisions at your company is often critical to taking on a leadership role. Not to mention, being able to present the data in a clean, attractive, and compelling way can help get buy-in from others in your organization or clients. That's why Tableau is a great tool to have in your toolbox.

Tableau allows you to create interactive visual analytics dashboards. In layman's terms, you can take data; create graphs, maps, or charts; and then allow end-users to interact with these graphics to better understand the information. It's a fantastic tool allowing non-technical users to gain insights for data-driven decision-making.

Tableau Desktop Specialist certification starts at $100 and has no expiration date. There are many videos on Tableau's site to prepare for your exam as well as Tableau Starter Kits allowing you to play around and learn the different capabilities of the program. Tableau offers a 14-day free trial as well as free license for one year for students.

Additional certifications after Desktop Specialist are Desktop Associate and Desktop Professional. Those working with a Tableau server may also be interested in a separate certification as a Server Associate or Server Professional.

The Federal Reserve sets the guardrails for the federal funds rate, and through that helps control the money supply for the nation.

When you take out a loan for a car, charge something to your credit card, or get a personal line of credit, there is going to be an interest rate that applies to your loan.

A lot of different factors go into what you will be charged, including your own personal credit score. But even those with flawless credit still see a minimum charge that they can't get around. That all goes back to the Federal Funds Rate.

One thing consumers rarely realize is that all of our banks are lending money to each other every night. Banks are legally required to maintain a certain percentage of their deposits in non-interest-bearing accounts at the Federal Reserve to ensure they have enough money to cover any withdrawals that may unexpectedly come up. However, deposits can fluctuate and it's very common for some banks to exceed the requirement on certain days while some fall short. In cases like this, banks actually lend each other money to ensure they meet the minimum balance. It's a bit hard to imagine these multibillion-dollar financial institutions needing to borrow money to tide them over for a bit, but it happens every single night at the Federal Reserve. It's also a nice deal for those with balances above the reserve balance requirement to earn a bit of money with cash that would normally just be sitting there.

The Federal Reserve The Federal Reserve


The exact interest rate the banks will charge each other is a matter of negotiation between them, but the Federal Open Market Committee (FOMC) (the arm of the Federal Reserve that sets monetary policy) meets eight times a year to set a target rate. They evaluate a multitude of economic indicators including unemployment, inflation, and consumer confidence to decide the best rate to keep the country in business. The weighted average of all interest rates across these interbank loans is the effective federal funds rate.

This rate has a huge impact on the economy overall as well as your personal finances. The federal funds rate is essentially the cheapest money available to a bank and that feeds into all of the other loans they make. Banks will add a slight upcharge to the rate set by the Fed to determine what is the lowest interest that they will announce for their most creditworthy customers, also known as the prime rate. If you have a variable interest rate loan (very common with credit cards and some student loans), it's likely that the interest rate you pay is a set percentage on top of that prime rate that your lender is paying. That's why in times of low interest rates (it was set at 0% during the Great Recession), a lot of borrowers should go for fixed interest rate loans that won't increase. However, if the federal funds rate was relatively high (it went up to 20% in the early 1980's), a variable interest rate loan may be a better decision as you would be charged less interest should the rate drop without the need to refinance.

The federal funds rate also has a major impact on your investment portfolio. The stock market reacts very strongly to any changes in interest rates from the Federal Reserve, as a lower rate makes it cheaper for companies to borrow and reinvest while a higher rate may restrict capital and slow short-term growth. If you have a significant portion of your investments in equities, a small change in the federal funds rate can have a large impact on your net worth.

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Whether you're leaving a job involuntarily, departing for something new, or just want to prepare for the unknown, it is smart to understand all your options regarding your 401k.

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