For most people, there are no serious dangers involved in eating one meal a day, other than the discomforts of feeling hungry. That said, there are some risks for people with cardiovascular disease or diabetes. Eating one meal a day can increase your blood pressure and cholesterol.
A study of 24,000 Americans over the age of 40 discovered that people who ate just a single meal each day as opposed to three meals were 30% more likely to die from any reason within 15 years.
How to get started with OMAD. It's best to start with 12-14 hour overnight fasts, which helps eliminate late-night snacking. Once you master the 12-14 hour overnight fast, the most logical and easiest progression is to move to 16-18 hour fasts. Add 1-hour of fasting time every week until you are fasting for 22-23 hours ...
“On a day you don't eat for 24 hours, you're guaranteed to be losing a third or half a pound of non-water weight that's mostly from body fat,” Pilon told Global News.
Not only can you survive on just two meals, but you can actually thrive. Here's where it gets interesting. Two very popular nutrition philosophies today in India, advocate for two opposing thoughts. One advises intermittent fasting, and the other advises eating every two hours.
While many folks still plan their days around “three square meals,” it turns out the number of meals you eat may not be so important. How you eat those meals is what matters most when it comes to decreasing the risk of heart disease and other health problems that come along with being overweight.
In one sense, it all comes down to math: The average adult human requires 2,000 calories per day, and you're only awake for so many hours. "Across all peer-reviewed research and health practices, three meals a day is a general recommendation to encourage consistent, adequate energy intake," Miluk said.
Eating one meal a day can increase your blood pressure and cholesterol. This occurred in a group of healthy adults who switched to one meal a day to participate in a study. If you already have concerns in either area, eating just once a day might not be safe. Eating one meal late can cause your blood sugar to spike.
The one meal a day (OMAD) diet is, simply put, fasting from food for 23 hours a day and eating whatever you'd like for one meal. That meal can range from a double cheeseburger and fries to a more healthful salad loaded with greens, roasted veggies, whole grains, beans, nuts, and seeds.
OMAD can then start to look a lot like chronic caloric restriction. Although chronic caloric restriction helps with initial weight loss, it poses long-term concerns because it tends to lower resting metabolic rate, which makes weight loss very difficult to maintain.
Eating Only One Meal a Day May Slow Aging
You might live longer and feel younger. One study found that fasting for 24 hours boosted anti-aging hormones like human growth hormone (HGH) by between 1300 and 2000 percent [19]. HGH plays a key role in structuring muscle fibers, connective tissues, and the skin [20].
Generally, if you're a healthy adult who is not pregnant, breastfeeding, or underweight, fasting for 12 hours every day is a good baseline to establish. Many longevity benefits are accrued over time, so the fasting practice that you can keep consistent is the one that will yield the most long-term benefit.
One is the Mediterranean diet, which stresses eating fruits, vegetables, whole grains, nuts, legumes, fish and a high amount of olive oil, Hu said. “This dietary pattern emphasizes healthy fats, especially monounsaturated fat, in addition to plant-based foods and moderate alcohol,” he said.
Foods that are loaded with low-calorie vegetables and fruits can be included in a 500-calorie diet. You can make vegetable soup, vegetable salad, fruit salad with low-fat yogurt, or a portion of grilled chicken or fish with grilled veggies for lunch or dinner to satisfy your hunger pangs.
However, other studies show that while consuming 1,000 calories a day may result in significant weight loss, most people cannot sustain it and often experience significant weight regain . The reasons include regaining lost muscle mass and increased appetite. Also worth noting is that the human body can adapt.
Short-term risks of eating 1,000 calories a day may include dizziness, hunger, gallstones, nausea, fatigue, headaches, and nutrient deficiencies. It can lead to nutrient deficiencies, slow metabolism, and make bones weaker if you exercise along with a low-calorie diet.
Most adults need a minimum of 2000 calories to sustain metabolism, muscle activity, and brain function. However, too many calories can lead to weight gain and a variety of diseases.