Age-related changes in human hair and nails
The Aging Of The Human Body / / April 24, 2016
aging of the human body
Changes in hair
Changing hair color is one of the most obvious signs of aging.Hair color is caused by a pigment (melanin) produced by hair follicles.With aging, the follicle produces less melanin.
Sedin often appears around the age of 30 years, although this varies widely.Gray hair usually appear at the temples and spread on top of the head.Hair gets lighter, turning into white.Many people have a few gray hairs head from their first appearance and up to 40 years or more.
Facial and body as de turning gray, but usually later than the hair on his head.Hair in the armpit, chest and pubic area may be relatively dark in relation to the hair on the head and body, but not all.
Gray hair is genetically determined.Grey hair is usually used to appear in people from the Caucasus, and then in the Asian race.The European race, as a rule, turns gray later.
Food additives, vitamins and other products are unable to stop or reduce the rate of appearance of gray hair.
Changes Hair thickness
Hair - a protein strand that grows through an opening (follicle) in the skin.One hair has a normal life expectancy of about 4 or 5 years.Then, the hair falls out and replaced by new hair.
How much hair you have on your body and mind is determined by your genes.Nevertheless, nearly everyone experiences some hair loss with age.This is due to the fact that with age rate of hair growth slows down.
strands of hair to become thinner, less pigment, so thick, coarse hair of a young man, in the end, become thin and light blond hair.Many hair follicles stop producing new hair do.
About a quarter of men begin to observe signs of baldness by the time they reach 30 years old they are, and about two-thirds of men have significant hair loss at the age of 60 years.The typical pattern of male baldness is related to the weakening of the production of male hormone testosterone (male pattern baldness).Hair can be lost in the frontal mounds or in the upper part of the head at the crown.
Women may also develop a typical pattern of hair loss with age (female pattern baldness).The hair becomes less dense, and the whole scalp may become visible gaps.
body and facial hair, and thinning, but the hair that remain can become coarser.Some women may notice hair loss on the body, but it may be that they were coarse hair on the face, especially on the chin and around the lips.Men may find long and coarse hair in the eyebrows, ears and nose.
human nail changes with age
nails also change with age.They grow slowly and may become dull and brittle.Often the nails may become yellowed and opaque.
Nails can become stiff and thick.Ingrown nail in old age - a common phenomenon.The tips of the nails can be shortened, fragmented.
Sometimes you can see longitudinal bumps on the nails.This change may be a normal aging.However, some changes may be caused by nail infections, malnutrition and vitamins, trauma and other problems.
Consult your doctor if your nails began to change, there were bumps and hollows, cracks, lines, changed shape, or other changes.They may be associated with iron deficiency, kidney disease, and malnutrition.
26 Apr, 2016
26 Apr, 2016