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“It is not true that people stop pursuing dreams because they grow old, they grow old because they stop pursuing dreams.” ― Gabriel García Márquez

Wonder what's considered a natural part of the aging process? Here's what to expect as you get older — and what you can do about it.

By Mayo Clinic Staff

You know that aging will likely cause wrinkles and gray hair. But do you know how aging will affect your teeth, heart and sexuality? Find out what changes to expect as you continue aging — and how to promote good health at any age.

Your cardiovascular system

What's happening

The most common change in the cardiovascular system is stiffening of the blood vessels and arteries, causing your heart to work harder to pump blood through them. The heart muscles change to adjust to the increased workload. Your heart rate at rest will stay about the same, but it won't increase during activities as much as it used to. These changes increase the risk of high blood pressure (hypertension) and other cardiovascular problems.

What you can do

To promote heart health:

• Include physical activity in your daily routine. Try walking, swimming or other activities you enjoy. Regular moderate physical activity can help you maintain a healthy weight and lower your heart disease risk.
• Eat a healthy diet. Choose vegetables, fruits, whole grains, high-fiber foods and lean sources of protein, such as fish. Limit foods high in saturated fat and salt.
• Don't smoke. Smoking contributes to the hardening of your arteries and increases your blood pressure and heart rate. If you smoke or use other tobacco products, ask your doctor to help you quit.
• Manage stress. Stress can take a toll on your heart. Take steps to reduce stress, such as meditation, exercise or talk therapy.
• Get enough sleep. Quality sleep plays an important role in the healing and repair of your heart and blood vessels. Aim for seven to nine hours a night.

Your bones, joints and muscles

What's happening

With age, bones tend to shrink in size and density. This weakens them. Age-related bone changes also might cause you to become a bit shorter. Muscles tend to lose strength, endurance and flexibility. That in turn can affect coordination, stability and balance. These changes raise the risk of falls. Falling with weaker bones makes it more likely that you could break a bone.

What you can do

To help bones, joints and muscles stay healthy:

• Get enough calcium. Adults should aim to get at least 1,000 milligrams (mg) of calcium a day. Women age 51 and older, and men 71 and older should aim to get 1,200 mg a day. You can get calcium from foods such as dairy products, broccoli, kale, salmon and tofu. If you find it hard to get enough calcium from your diet, ask your doctor about calcium supplements.
• Get enough vitamin D. Adults up to age 70 should aim to get 600 international units (IU) of vitamin D a day. Adults older than 70 should aim to get 800 IU a day. Sources of vitamin D include tuna, trout, salmon, eggs, vitamin D-fortified milk and vitamin D supplements. The body also makes vitamin D when exposed to direct sunlight.
• Include physical activity in your daily routine. Weight-bearing exercises can help you build strong bones and slow bone loss. These exercises include walking, jogging, tennis, climbing stairs and weight training.
• Don't abuse substances. Smoking tobacco and drinking too much alcohol can lessen bone mass and raise the risk of fractures. If you smoke, get help quitting. If you drink alcohol, you'll likely feel its effects more strongly as you get older. That can raise the risk of serious injuries from falls and car accidents. Ask your healthcare professional how much alcohol might be safe for your age, sex and general health.

Your digestive system

What's happening

Age-related structural changes in the large intestine can result in more constipation in older adults. Other contributing factors include a lack of exercise, not drinking enough fluids and a low-fiber diet. Medications, such as diuretics and iron supplements, and certain medical conditions, such as diabetes, also might contribute to constipation.

What you can do

To prevent constipation:

• Eat a healthy diet. Make sure your diet includes high-fiber foods, such as fruits, vegetables and whole grains. Limit high-fat meats, dairy products and sweets, which might cause constipation. Drink plenty of water and other fluids.
• Include physical activity in your daily routine. Regular physical activity can help prevent constipation.
• Don't ignore the urge to have a bowel movement. Holding in a bowel movement for too long can cause constipation.

Your bladder and urinary tract

What's happening

Your bladder may become less elastic as you age, resulting in the need to urinate more often. Weakening of bladder muscles and pelvic floor muscles may make it difficult for you to empty your bladder completely or cause you to lose bladder control (urinary incontinence). In men, an enlarged or inflamed prostate also can cause difficult emptying the bladder and incontinence.

Other factors that contribute to incontinence include being overweight, nerve damage from diabetes, certain medications, and caffeine or alcohol consumption.

What you can do

To promote bladder and urinary tract health:

• Go to the toilet regularly. Consider urinating on a regular schedule, such as every hour. Slowly, extend the amount of time between your toilet trips.
• Maintain a healthy weight. If you're overweight, lose excess pounds.
• Don't smoke. If you smoke or use other tobacco products, ask your doctor to help you quit.
• Do Kegel exercises. To exercise your pelvic floor muscles (Kegel exercises), squeeze the muscles you would you use to stop passing gas. Try it for three seconds at a time, and then relax for a count of three. Work up to doing the exercise 10 to 15 times in a row, at least three times a day.
• Avoid bladder irritants. Caffeine, acidic foods, alcohol and carbonated beverages can make incontinence worse.
• Avoid constipation. Eat more fiber and take other steps to avoid constipation, which can worsen incontinence.

Your memory and thinking skills

What's happening

Your brain undergoes changes as you age that may have minor effects on your memory or thinking skills. For example, healthy older adults might forget familiar names or words, or they may find it more difficult to multitask.

What you can do

You can promote cognitive health by taking the following steps:

• Include physical activity in your daily routine. Physical activity increases blood flow to your whole body, including your brain. Studies suggest regular exercise is associated with better brain function and reduces stress and depression — factors that affect memory.
• Eat a healthy diet. A heart-healthy diet may benefit your brain. Focus on fruits, vegetables and whole grains. Choose low-fat protein sources, such as fish, lean meat and skinless poultry. Too much alcohol can lead to confusion and memory loss.
• Stay mentally active. Staying mentally active may help sustain your memory and thinking skills. You can read, play word games, take up a new hobby, take classes, or learn to play an instrument.
• Be social. Social interaction helps ward off depression and stress, which can contribute to memory loss. You might volunteer at a local school or nonprofit, spend time with family and friends, or attend social events.
• Treat cardiovascular disease. Follow your doctor's recommendations to manage cardiovascular risk factors — high blood pressure, high cholesterol and diabetes — that may increase the risk of cognitive decline.
• Quit smoking. If you smoke, quitting smoking may help your cognitive health.

If you're concerned about memory loss or other changes in your thinking skills, talk to your doctor.

Your eyes and ears

What's happening

With age, you might have difficulty focusing on objects that are close up. You might become more sensitive to glare and have trouble adapting to different levels of light. Aging also can affect your eye's lens, causing clouded vision (cataracts).

Your hearing also might diminish. You might have difficulty hearing high frequencies or following a conversation in a crowded room.

What you can do

To promote eye and ear health:

• Schedule regular checkups. Follow your doctor's advice about glasses, contact lenses, hearing aids and other corrective devices.
• Take precautions. Wear sunglasses or a wide-brimmed hat when you're outdoors, and use earplugs when you're around loud machinery or other loud noises.

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