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What are the health risks if I don't eat enough to avoid feeling weak and lightheaded?

Undereating can lead to fatigue and low energy levels, making it difficult to perform daily tasks.

Hair loss and changes in skin health can be a sign of inadequate nutrient intake, including proteins, biotin, and vitamin A.

Menstrual irregularities in women can occur due to undereating, as a lack of sufficient calories can disrupt hormonal balance.

Irritability and mood problems are common in individuals who undereat, particularly in men.

Children who do not consume enough food may not grow as expected due to inadequate nutrient and calorie intake.

Constipation can be a sign of undereating, as a lack of food can lead to decreased bowel movements.

Research shows that calorie restriction is linked to immune system dysfunction, making a person more susceptible to illness.

Starvation mode takes time to set in, contrary to popular belief, and skipping meals occasionally won't significantly affect metabolism.

Eating less than the recommended daily caloric intake for weight maintenance (around 2000 calories for women assigned female at birth) can lead to feelings of constant tiredness.

The majority of Americans consume more than half of their calories from ultraprocessed foods, neglecting essential nutrients from fruits, vegetables, beans, nuts, and seeds.

When blood sugar levels are low, the body may experience shakiness, sweatiness, and irritability, often referred to as "hanger."

The four essential nutrients many Americans lack are calcium, potassium, fiber, and vitamin D, according to the Dietary Guidelines for Americans.

Undereating can lead to nutritional shortfalls, where an individual's diet lacks sufficient essential nutrients required for optimal health.

Signs of undereating can include fatigue, hair loss, changes in skin health, menstrual irregularities, irritability, mood problems, constipation, and susceptibility to illness.

Eating too few calories, especially after a binge, can contribute to overeating, as the body tries to compensate for the lack of energy and nutrients.

The human body has intricate mechanisms to regulate hunger and fullness, and ignoring these cues can lead to an unhealthy relationship with food.

To maintain a healthy weight and prevent undereating's negative effects, eat balanced meals consisting of various whole foods like fruits, vegetables, whole grains, lean proteins, and healthy fats.

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