Physical Changes Related To Aging


Aging results in the loss of fat layers and oil glands. This causes                  the skin to become wrinkled, less elastic, and more delicate.                      Aging causes the number of sweat glands and blood vessels to decrease. As a result, older people have difficulty controlling their temperature.


With aging, bones become weaker and there is more risk of fractures, especially for women.  There is a loss of height by 1 to 3 inches because of changes in the spine.  Ligaments lose their elasticity, which causes joints to become less flexible.

Muscles and Tissue

With aging, hormonal changes cause muscle strength to decrease.  The amount of body fat increases, which can lead to health problems such as cardiovascular disease and diabetes. 


With aging, it is more difficult to see objects that are near, or to see in the dark or in very bright places.  Depth perception also decreases. Fewer tears are produced and eyes become drier.


With aging, higher frequencies become more difficult to hear.  Earwax accumulates and can lead to hearing difficulty.

Mouth and Nose

With aging, smell and taste decrease because there are fewer and less sensitive taste buds.  The lining in the nose becomes thinner and more dry.  The mouth becomes dry more easily.  As gums recede, dental cavities and decay become more common.


With aging, brain changes may result in slower thinking and less concentration - as well as more difficulty learning new tasks.

Memory loss is NOT considered a normal part of aging!

Heart and Lungs

With aging, heart muscles become less flexible and blood flow is slower.  Muscles used for breathing become weaker and less flexible, and there are fewer air sacs in the lungs.  These changes cause older people to have a higher risk of pneumonia.

Abdomen and Kidneys

With aging, digestion becomes slower, which can lead to constipation.  Because of changes in liver and kidney function as you age it takes longer for medications to be removed from the body.  The capacity of the bladder is less and urinary flow rate decreases.

    In older adult women, pelvic muscle weakness can lead to        

    incontinence or urine leakage. 

    In older adult men, the prostate may become larger, leading     

    to urinary retention or incontinence.

Women’s Reproductive Systems

As you age, women produce less estrogen, which causes the vagina to become drier and less flexible.

Men’s Reproductive Systems

With aging, men produce less testosterone, which causes fewer sperm to be produced and a lowered sex drive.  Also, there is less blood flowing to the penis, so erectile dysfunction becomes more common.


If you don’t use it You will lose it.

Governor Arnold Schwarzenegger (left) as a body builder at age 25 and today in his early 60s  (right).

Even the Terminator can’t win the persistent fight against his  body getting older. 

To date Governor Schwarzenegger has had a hip-joint and two heart-valves replaced in his body.

Younger             Aging

  Skin                   Skin

Normal            Bone with        

  Bone            Osteoporosis

Young                Aging

Muscle             Muscle

Younger             Aging

  Eyes                  Eyes

Nasal, oral  and dental problems, including gum disease   increase as you age

Brain activity studies indicate that searching the Internet exercises your brain.  Above left is an MRI of brain activity when a person is reading; above right is an MRI of brain activity when a person is searching on the Internet.

Evidence That The Internet May Be Good For Your Brain

A healthy heart and lungs help make a healthy body.

The kidneys filter waste products and toxins from the blood, and play an important role in many other bodily functions.

Gov. Schwarzenegger, President Bill Clinton & Dr. Dan Jones (AHA) promote exercise  for  healthier hearts.

Healthy Hearts Need

Regular Exercise  Provides Free, Reliable Senior Information and Resources

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Physical Changes Related To Age

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