Intermittent fasting is bad for your health

Intermittent fasting is bad for your health

While you may have heard rumors that intermittent fasting harms your health, studies reveal that it has several impressive health benefits (19, 20Trusted Source, 21).

For example, it changes your gene expression related to longevity and immunity and has been shown to prolong lifespan in animals (35Trusted Source, 36Trusted Source, 37Trusted Source, 38, 39).

It also has major benefits for metabolic health, such as improved insulin sensitivity and reduced oxidative stress, inflammation, and heart disease risk (19, 21, 40, 41Trusted Source).

It may also boost brain health by elevating levels of brain-derived neurotrophic factor (BDNF), a hormone that may protect against depression and various other mental conditions (42Trusted Source, 43Trusted Source, 44Trusted Source).

Although rumors abound that it’s harmful, short-term fasting has powerful benefits for your body and brain.
11. Intermittent fasting makes you overeat
Some individuals claim that intermittent fasting causes you to overeat during the eating periods.

While it’s true that you may compensate for calories lost during a fast by automatically eating a little more afterward, this compensation isn’t complete.

One study showed that people who fasted for 24 hours only ended up eating about 500 extra calories the next day — far fewer than the 2,400 calories they’d missed during the fast (45Trusted Source).

Because it reduces overall food intake and insulin levels while boosting metabolism, norepinephrine levels, and human growth hormone (HGH) levels, intermittent fasting makes you lose fat — not gain it (27Trusted Source, 46Trusted Source, 47Trusted Source, 48Trusted Source).

According to one review, fasting for 3–24 weeks caused average weight and belly fat losses of 3–8% and 4–7%, respectively (49).

As such, intermittent fasting may be one of the most powerful tools to lose weight.

Intermittent fasting is an effective weight loss method. Despite claims to the contrary, no evidence suggests intermittent fasting promotes weight gain.
The bottom line
Numerous myths get perpetuated about intermittent fasting and meal frequency.

However, many of these rumors are not true.

For example, eating smaller, more frequent meals does not boost your metabolism or help you lose weight. What’s more, intermittent fasting is far from unhealthy — and may offer numerous benefits.

It’s important to consult sources or do a little research before jumping to conclusions about your metabolism and overall health.

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