Keratinized skin cells are found in the hair primarily but also on the palmar skin of the hands.
Negative attitudes and feelings of helplessness and hopelessness can create chronic stress, which upsets the body's hormone balance, depletes the brain chemicals required for happiness, and damages the immune system. Chronic stress can actually decrease our lifespan.
Answer:
Self-abuse is negative and often dangerous behavior done to yourself.
The rapid advance and increasing complexity of medical science
