What exactly is going on with your body? Here's what you can expect as you age.
April 2, 2006 (Press Release) --
Eyes
With age, your eyes are less able to produce tears, your retinas thin and your lenses gradually turn yellow and become less clear. In your 40s, focusing on objects that are close up may become more difficult. Later, the colored portions of your eyes (irises) stiffen, making your pupils less responsive. This can make it more difficult to adapt to different levels of light. Other changes to your lenses can make you sensitive to glare, which presents a problem when driving at night. Cataracts, glaucoma and macular degeneration are the most common problems of aging eyes.
Ears
Hearing loss is one of the most common conditions affecting adults who are middle-aged and older. One in three people older than 60 and half of all people older than 85 have significant hearing loss. Over the years, sounds and noise can damage the hair cells of your inner ears.
In addition, the walls of your auditory canals thin, and your eardrums thicken. You may have difficulty hearing high frequencies. Some people find it difficult to follow a conversation in a crowded room. Changes in the inner ear or in the nerves attached to it, earwax buildup and various diseases can all impact your hearing.
Teeth
How your teeth and gums respond to age depends on how well you've cared for them over the years. But even if you're meticulous about brushing and flossing, you may notice that your mouth feels drier and your gums have pulled back (receded). Your teeth may darken slightly and become more brittle and easier to break.
Most adults can keep their natural teeth all of their lives. But with less saliva to wash away bacteria, your teeth and gums become slightly more vulnerable to decay and infection. If you've lost most or all of your natural teeth, you might use dentures or dental implants as a replacement.
Some older adults experience dry mouth (xerostomia), which can lead to tooth decay and infection. Dry mouth can also make speaking, swallowing and tasting difficult. Oral cancer is more common among older adults. Your dentist checks for oral cancer when you go for regular cleanings and checkups.
Skin, nails and hair
With age, your skin thins and becomes less elastic and more fragile. You'll likely notice that you bruise more easily. Decreased production of natural oils may make your skin drier and more wrinkled. Age spots can occur, and skin tags are more common. Your nails grow at about half the pace they once did. Your hair may gray and thin. In addition, you likely perspire less — making it harder to stay cool in high temperatures and putting you at increased risk of heat exhaustion and heat stroke.
How fast your skin ages depends on many factors. The most significant factor is sun exposure over the years. The more sun your skin has been exposed to, the more damage you may attain. Smoking adds to skin damage, such as wrinkles. Skin cancer is also a concern as you age. You have a 40 percent to 50 percent chance of getting skin cancer at least once by the time you reach 65.
Sleep
Sleep needs change little throughout adulthood. If you need six hours of sleep nightly, chances are you'll always need six hours — give or take 30 minutes. However, as you age, you'll likely find that you sleep less soundly, meaning you'll need to spend more time in bed to get the same amount of sleep. By age 75, some people find that they're waking up several times each night.
Weight
As you age, maintaining a healthy weight — or losing weight if you're overweight — may be more difficult. Your metabolism generally slows, meaning that your body burns fewer calories. Calories that were once used to meet your daily energy needs instead are stored as fat. Your level of activity may decrease, resulting in unwanted weight gain.
Sexuality
With age, sexual needs, patterns and performance may change. Women's vaginas tend to shrink and narrow, and the walls become less elastic. Vaginal dryness is a problem. All of this can make sex painful.
Impotence becomes more common in men as they age. By the time they're 65, up to 25 percent of men have difficulty getting or keeping an erection about one in every four times they have sex. In others, it may take longer to get an erection, and it may not be as firm as it used to be.
How long can you live?
The longest documented human life span is 122 years. Though a life span that long is rare, improvements in medicine, science and technology over the last century have helped more people live longer, healthier lives. If you were born in the early 1900s in the United States, your life expectancy was only about 50 years. Today it's around 77.
And if you're sure you've already done too much damage to yourself to hope for a long life, think again. Researchers say it's never too late to clean up your act. For example, if you quit smoking now, your risk of heart disease begins to fall almost immediately. Living a healthy lifestyle can improve how you age. Eating a variety of fruits and vegetables and getting out for a daily walk are ways you can begin preparing now for your later years.
By Mayoclinic.com
With age, your eyes are less able to produce tears, your retinas thin and your lenses gradually turn yellow and become less clear. In your 40s, focusing on objects that are close up may become more difficult. Later, the colored portions of your eyes (irises) stiffen, making your pupils less responsive. This can make it more difficult to adapt to different levels of light. Other changes to your lenses can make you sensitive to glare, which presents a problem when driving at night. Cataracts, glaucoma and macular degeneration are the most common problems of aging eyes.
Ears
Hearing loss is one of the most common conditions affecting adults who are middle-aged and older. One in three people older than 60 and half of all people older than 85 have significant hearing loss. Over the years, sounds and noise can damage the hair cells of your inner ears.
In addition, the walls of your auditory canals thin, and your eardrums thicken. You may have difficulty hearing high frequencies. Some people find it difficult to follow a conversation in a crowded room. Changes in the inner ear or in the nerves attached to it, earwax buildup and various diseases can all impact your hearing.
Teeth
How your teeth and gums respond to age depends on how well you've cared for them over the years. But even if you're meticulous about brushing and flossing, you may notice that your mouth feels drier and your gums have pulled back (receded). Your teeth may darken slightly and become more brittle and easier to break.
Most adults can keep their natural teeth all of their lives. But with less saliva to wash away bacteria, your teeth and gums become slightly more vulnerable to decay and infection. If you've lost most or all of your natural teeth, you might use dentures or dental implants as a replacement.
Some older adults experience dry mouth (xerostomia), which can lead to tooth decay and infection. Dry mouth can also make speaking, swallowing and tasting difficult. Oral cancer is more common among older adults. Your dentist checks for oral cancer when you go for regular cleanings and checkups.
Skin, nails and hair
With age, your skin thins and becomes less elastic and more fragile. You'll likely notice that you bruise more easily. Decreased production of natural oils may make your skin drier and more wrinkled. Age spots can occur, and skin tags are more common. Your nails grow at about half the pace they once did. Your hair may gray and thin. In addition, you likely perspire less — making it harder to stay cool in high temperatures and putting you at increased risk of heat exhaustion and heat stroke.
How fast your skin ages depends on many factors. The most significant factor is sun exposure over the years. The more sun your skin has been exposed to, the more damage you may attain. Smoking adds to skin damage, such as wrinkles. Skin cancer is also a concern as you age. You have a 40 percent to 50 percent chance of getting skin cancer at least once by the time you reach 65.
Sleep
Sleep needs change little throughout adulthood. If you need six hours of sleep nightly, chances are you'll always need six hours — give or take 30 minutes. However, as you age, you'll likely find that you sleep less soundly, meaning you'll need to spend more time in bed to get the same amount of sleep. By age 75, some people find that they're waking up several times each night.
Weight
As you age, maintaining a healthy weight — or losing weight if you're overweight — may be more difficult. Your metabolism generally slows, meaning that your body burns fewer calories. Calories that were once used to meet your daily energy needs instead are stored as fat. Your level of activity may decrease, resulting in unwanted weight gain.
Sexuality
With age, sexual needs, patterns and performance may change. Women's vaginas tend to shrink and narrow, and the walls become less elastic. Vaginal dryness is a problem. All of this can make sex painful.
Impotence becomes more common in men as they age. By the time they're 65, up to 25 percent of men have difficulty getting or keeping an erection about one in every four times they have sex. In others, it may take longer to get an erection, and it may not be as firm as it used to be.
How long can you live?
The longest documented human life span is 122 years. Though a life span that long is rare, improvements in medicine, science and technology over the last century have helped more people live longer, healthier lives. If you were born in the early 1900s in the United States, your life expectancy was only about 50 years. Today it's around 77.
And if you're sure you've already done too much damage to yourself to hope for a long life, think again. Researchers say it's never too late to clean up your act. For example, if you quit smoking now, your risk of heart disease begins to fall almost immediately. Living a healthy lifestyle can improve how you age. Eating a variety of fruits and vegetables and getting out for a daily walk are ways you can begin preparing now for your later years.
By Mayoclinic.com
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