American Valter Longo, 56 years old, professor of gerontology and director of the Longevity Institute at the University of Southern California, eats healthy, alternating calorie restriction for 3-5 days, once every few months.
According to experts, one of the most important factors in weight loss is a calorie deficit, meaning that the amount of calories taken into the body must be less than or equal to the amount of calories consumed. Calories taken into the body (calories in) a day include food and drinks. Calories consumed (calories out) are the process of metabolism, normal activities (including breathing or sleeping) and exercise. However, people who want to lose weight need to ensure enough meat, fish, protein, and starch, only reducing high-energy foods such as fatty or sweet foods.
On this diet, Longo eats 800 to 1,100 calories a day. Clinical trials have shown that eating this way helps lower blood pressure, cancer-related markers, body fat, and blood sugar levels. All of these effects can help a person live longer.
When he's not on a calorie-restricted diet, Longo follows his own longevity diet, which is mostly vegan and fish-based.
Longo arranges his meals throughout the day to prolong life and maintain a healthy weight as follows:
Light breakfast with tea
Longo starts his day with a light breakfast of whole grains, nuts, and fruit. His typical breakfast is a whole-grain Italian bread called friselle, served with almond butter and an apple.
He also drank a cup of tea, including both green and black tea. Black tea has a delicious flavor, while green tea has the effect of lowering blood pressure.
Valter Longo fasts for short periods during the day and restricts his calorie intake for long periods. Photo: RNZ
Short Intermittent Fasting During the Day
After breakfast, Longo tries not to eat anything until around 4 or 5 p.m. He drinks an espresso at lunchtime to keep his energy levels up.
Calorie-free drinks, such as black coffee, unsweetened tea, and water, are widely believed to be safe to consume during intermittent fasting. But some experts say adding milk and sugar to coffee can ruin the fast.
Afternoon snack and hearty dinner
Longo eats a light meal, consisting of whole grains, nuts, and fruit, around 4 to 5 p.m., then eats a large dinner.
People can also eat a larger lunch and a smaller dinner if they can't fast from breakfast to dinner, he says. In fact, this diet is easier for most people to follow.
Additionally, on his website, Longo recommends people snack on things like cornmeal crackers with fruit and nuts.
Khanh Linh (According to Insider )
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