Blue Zones are longevity hotspots that have the highest number of centenarians in the world. So what are these people doing to live up to 115 years old? Eating right!
For example, the Okinawa diet contains a lot of vegetables, rice and fish -- producing dishes that are rich in protein, but low in calories.
RELATED: Best diets for every budget
Best Diets for Every Budget
Best Diets for Every Budget
Named U.S. News and World Report's best overall diet for four years in a row, this diet is definitely worth investigating. The DASH Diet integrates whole grain foods, fruits, vegetables, low- or non-fat dairy and fish or poultry, while limiting high-fat foods, salt and red meat. While fresh fruits and vegetable will cost you, cutting most red meat from you diet will make this diet wallet-friendly.
While the Paleo diet (eating like our ancestors did) isn't usually thought to be a low-price option, there are some simple ways you can do it on the cheap. Paleo Diet Lifestyle recommends buying products like olive oil in bulk, choosing cheap cuts and buying bone-in meats and buying whole or canned fish.
Traditional Mediterranean diets are proven to be incredible for your health! Even better, according to LearnVest, if you choose an inexpensive olive oil and stay away from the pricier varieties of products like tuna steak and chardonnay, you can expect to keep your bill within reason.
People often report feeling better, mentally and physically, after giving up gluten. This diet can be affordable if you follow one rule: eat foods that are naturally free of gluten. Products made specifically for gluten-free diets are often pricey. Opt for frozen or in-season fruits and veggies to keep produce prices low.
LearnVest calls the vegan diet "a steal" if done smartly. Be sure to cook for yourself rather than buy expensive prepared vegan cuisine. You can also find tofu for just half the price of ground beef per pound.
The Atkins diet helps dieters lose weight by cutting carbs from their diets. To make this protein-rich diet budget-friendly, try underrated cuts such as chuck and sirloin, always buy whole chickens and experiment with pork.
This government-endorsed diet centers around lowering cholesterol and begins with setting calorie goals. These calorie levels and limits on dietary cholesterol should curb overeating and help keep you within your budget. Cutting fatty meats can also help your bill.
The flexitarian diet closely resembles a vegetarian diet, but when a craving for meat strikes, they indulge. Flexitarians not only weigh 15 percent less than carnivores, but they also save money by spending less on pricey meat.
Number nine on U.S. News and World Report's best overall diets, the Ornish diet focuses on the overarching way you eat, exercise and live rather than on the specifics of your diet. Since the diet is so individualized, most of the time, it can work with any budget. Still, planning ahead and buying in bulk can keep costs down.
This trusted diet can help you shed between 6 and 10 pounds in two weeks and 1 to 2 pounds each week after until you reach your goal. The diet concept is split into two concepts, "Lose It" and "Live It." Dieters are discouraged from dining out during the "Lose It" stage and encouraged to cook at home, keeping your wallet happy.
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People in the Nicoya peninsula in Costa Rica eat early and minimally. Their diet includes beans, yams and small portions of meat.
Both Ikaria, Greece, and Sardinia, Italy, pride themselves on living by the Mediterranean diet that's rich in fish, vegetables, and whole grains -- with moderate amounts of alcohol.
Lastly, residents of Loma Linda, California, have a traditionally low-fat, vegan diet, where they avoid meat and dairy products as much as possible.
So, start cooking by these rules at home -- or you might just have to travel to each of these places!