Brittle nails.
Keratinization is not typically a direct result of toxicity. Instead, it is a natural process in which epithelial cells undergo structural changes and transform into keratin-filled cells. However, certain toxins or irritants may disrupt this process, leading to abnormal keratinization.
death
Anorexia Bulimia
a deficiency in oxygen intake.
Whish mineral deficiency may result in rickets
LECHE
Scurvy
Keratin treatments will not work on already relaxed hair. Applying this treatment to relaxed hair could result in breakage and damage to your hair.
it can result in a deficiency of essential fatty acids.
Yes it can
Goiters are often the result of iodine deficiency in the body. Iodine is necessary for the production of thyroid hormones, and a lack of it can lead to the enlargement of the thyroid gland, causing a goiter.
AIDS (Acquired Immune Deficiency Syndrome)