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Here's how the body reacts to one-off overeating – new research
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How much humans can eat
One study asked healthy participants to eat pizza until they felt full. Then on a separate day to eat pizza until they couldn't anymore. They ate twice as much as on the first take, suggesting that when you feel full, you're probably only half full.
Blood samples were also taken at regular intervals to see how the body was coping. Despite eating twice as much food, there was only a small increase in blood sugar and blood fat levels.
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The effect of overeating on the body
- Studies revealed that in physically active and healthy people, the body is able to control the sugar and fat in the blood after a big meal by working a bit harder than usual to regulate metabolism.
- Hormones released from the gut and pancreas help the body to regulate blood sugar levels.
- After participants ate past the point of feeling comfortably full, they had little desire to eat anything even four hours after the meal.
- The also felt sleepier and less energetic after eating too much.
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Long-term overeating
Healthy humans rely on the body's ability to work harder in times of need.
However, when we repeatedly eat too many calories at each meal, metabolic syndrome - a combination of high blood pressure, diabetes, and obesity - will result. Over time, the body will become unable to react to these situations.
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Key Ideas
Eat Plenty of Protein at Every Meal
Eating food increases your metabolism for a while because extra calories are required to process your meal. This is called the thermic effect of food (TEF).
Protein increases your metaboli...
Drink More Cold Water
Drinking water may speed up your metabolism for about an hour. This calorie-burning effect may be even greater if you drink cold water, as your body uses energy to heat it.
Drinking water can also help you fill up and help you eat less, especially if you drink it half an hour before you eat.
Do a High-Intensity Workout
High-intensity interval training (HIIT) involves short, intense bursts of activity and help you burn more fat by increasing your metabolic rate.
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Stress can prevent you from keeping a healthy weight
Stress can prevent you from keeping a healthy weight.
Every time you're stressed, your adrenal glands release adrenaline and cortisol. Your body releases gluc...
Cortisol and sugar cravings
With increased levels of cortisol, your body is supplied with glucose for energy, and your body signals the need for extra sugar.
The downside of eating sugar is that your body tends to store sugar, especially after stressful situations, as abdominal fat. The vicious cycle continues: stress, cortisol release, craving sugar, weight gain.
Cortisol and metabolism
Cortisol slows down your metabolism, decreasing your ability to lose weight.
Researchers found that women who reported one or more stressors burned fewer calories than non-stressed women. Stressed women also had higher insulin levels, resulting in fat storage.
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Key Ideas
Skipping Breakfast
Researchers say breakfast doesn't kickstart the metabolism and may not be the most important meal of the day. Different studies have found that skipping breakfast doesn’t lead to weight increase an...
"Hot" Workouts
They won't really help you lose weight. Research suggests regularly sleeping in colder temperatures may be optimal for weight loss as they stimulate the production of brown fat, the "good" fat. Brown fat keeps us warm by burning through "bad" fat stores.
Turn down the heat at night. You'll trim your belly and your heating bills.
Tongue-Scorching Peppers
Hot sauce can boost your metabolism. But research suggests that more-palatable, mild peppers may have the same calorie-burning potential.
Pack your salads and stir-fry with sweet peppers-including bell peppers, pimentos, rellenos, and sweet banana peppers. They're just as effective as the hot stuff.