The hair strands become smaller and have less pigment, so the thick, coarse hair of a young adult eventually becomes thin, fine, light-colored hair. Many hair follicles stop producing new hairs altogether.

About a quarter of men begin to show signs of baldness by the time they are 30 years old, and about two-thirds of men have significant baldness by age 60. Men develop a typical pattern of baldness associated with the male hormone testosterone (male-pattern baldness). Hair may be lost at the temples or at the top of the head.

Women may also develop a typical pattern of hair loss as they age (female-pattern baldness). The hair becomes less dense all over and the scalp may become visible.

Body and facial hair are also lost, but the hairs that remain may become coarser. Some women may notice a loss of body hair, but may find that they have coarse facial hair, especially on the chin and around the lips.

Men may find the hair of their eyebrows, ears, and nose becoming longer and coarser.

NAIL CHANGES

The nails also change with aging. They grow slower and may become dull and brittle. They may become yellowed and opaque.

Nails, especially toenails, may become hard and thick. Ingrown toenails may be more common. The tips of the fingernails may fragment.

Sometimes, lengthwise ridges will develop in the fingernails and toenails. This can be a normal aging change. However, some nail changes can be caused by infections, nutritional deficiencies, trauma, and other problems.

Check with your health care provider if your nails develop pits, ridges, lines, changed shape, or other changes. These can be related to iron deficiency, kidney disease, and nutritional deficiencies.

RELATED TOPICS

• Aging changes in the skin
• Aging changes in the face
• Nail abnormalities

Images

Aging changes in nails

Aged hair follicle

Hair follicle of young person

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Review Date: 12/13/2010
Reviewed By: Michael Langan, M.D. Department of Geriatrics, Massachusetts General Hospital, Boston, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)