Through the Years: Test Your Aging Knowledge


By: Staff

4 Min Quiz

Image: refer to hsw

About This Quiz

Some people pay thousands of dollars to hide the physical effects of aging, but there's no stopping the many changes that affect our bodies as time passes. . Find out how much you know about the often unavoidable symptoms of aging in this quiz.

The progressive loss of bone that often accompanies aging is called:

Osteoporosis is a painful, disfiguring and debilitating loss of bone that makes fractures more likely to occur.


Which of the following is not a contributing factor to bone loss?

Genetics, menopause and bad habits, like smoking and excessive drinking, all play a role in the development of osteoporosis. Exercise can actually help prevent this condition.


What is a major contributor to wrinkles?

Sun exposure is not only a major contributor to the development of wrinkles but it also causes age spots and skin cancer.


Aging skin can lead to a deficiency in what vitamin?

Aging skin has a limited capacity to initiate vitamin D production, making vitamin D deficiency more common in older people.


Excessive pressure inside the eyeball produces:

As people age, their pupils get smaller and the lenses start to accumulate yellow substances, which can predispose them to glaucoma -- the product of excessive pressure inside the eyeball.


Why do many older people have a decreased sense of taste?

About half of adults over the age of 65 have a diminished sense of smell, which affects their ability to taste food.


What is the Use It and Lose It Theory?

The Use It and Lose It Theory of aging suggests that use, and overuse, of your organs pushes them to the brink of destruction. A poor diet, too much alcohol and cigarette smoking are thought to accelerate natural wear and tear.


How many inches might people lose in height by the age of 80?

People are at their tallest by their late forties and then gradually lose up to 2 inches (5 centimeters) in height by age 80.


Pain and stiffness in the joints are referred to as:

Aging causes cartilage to lose water, making it more vulnerable to injury and often leading to arthritis.


What can you do to reduce the natural decline of the kidneys that occurs with age?

Drinking plenty of fluids, controlling high blood pressure and keeping blood glucose levels in check helps to preserve kidney function.


Explore More Quizzes

About HowStuffWorks Play

How much do you know about dinosaurs? What is an octane rating? And how do you use a proper noun? Lucky for you, HowStuffWorks Play is here to help. Our award-winning website offers reliable, easy-to-understand explanations about how the world works. From fun quizzes that bring joy to your day, to compelling photography and fascinating lists, HowStuffWorks Play offers something for everyone. Sometimes we explain how stuff works, other times, we ask you, but we’re always exploring in the name of fun! Because learning is fun, so stick with us!