There are many causes for hair loss such as thyroid problems, diabetes, chemotherapy for cancer, stress and low protein diet. It can come on suddenly or gradually and affect just your scalp or your whole body. Some types of hair loss are temporary, and others are permanent.
Symptoms of hair loss:
Gradual thinning on top of head.
Sudden loosening of hair.
Full-body hair loss.
Patches of scaling that spread over the scalp.
Diagnosis
sudden or patchy hair loss or more than usual hair loss when combing or washing the hair. Sudden hair loss can signal an underlying medical condition that requires treatment.
prevention