What are warning signs that a person may be suffering from anorexia nervosa?

Explanation:

Sensitivity to cold

Cold hands and feet

Pale, dry skin

Dry and thinning hair

Hair loss on scalp

Brittle nails

Downy hair all over the body (called lanugo), which is the body's effort to conserve heat5

Lightheadedness or loss of balance (may experience fainting)

Low blood pressure and heart rate

Anemic and bruises easily

Extreme weight loss

Muscle loss and weakness

Extreme dehydration

Abdominal pain

Constipation

Loss in bone density

Determines self-esteem, worth, or attractiveness by appearance and weight

Depression

Strong need for approval

Anxiety

Little motivation to engage in relationships or activities

Easily irritated

Extremely self-critical

i don't think so because different teachers have different materials. tehy teach differently, unless you know for sure your teacher is the exact same as others. i would just contact ur teacher