This is a degenerative disease that affects the brain. It's the most common form of dementia. It generally affects people aged 65 years or older. But in a small percentage of people, it develops earlier.

The word "cancer" refers to abnormal cells that grow uncontrollably. Cancer is not a single disease. It can involve any type of cell, anywhere in your body. And it starts with a problem in the cell's genes.

As we age, we may need to depend on others to help us with day-to-day care. Unfortunately, some caregivers hurt the older people in their care. Older people can be physically harmed. They may be neglected. And their money may be stolen. We call this "elder abuse." And it can happen to anyone.

With this problem, you have trouble controlling your bowels. You may have leaks. You may soil your clothing before you can get to a toilet. This keeps you from being as active as you like.

This is a blockage in one of your coronary arteries. They're the vessels carrying blood to your heart's tissue. A heart attack can strike suddenly, often without any warning.

This condition, also called "congestive heart failure," is when your heart becomes so weak it can't pump enough blood to meet your body's needs. It doesn't mean that your heart has stopped beating. But it's a serious condition, and it needs medical care.

Like every part of your body, your brain changes as you age. And some changes affect how you think. Let's look at what's normal, and let's talk about things that may be cause for concern.

Your brain is divided into left and right halves, called "hemispheres." They specialize in different things. Because of this, a stroke on the left side of your brain can be very different from a stroke on the brain's right side. Let's look at some symptoms of a left brain stroke.

The bonds we share with our friends and loved ones help us thrive. But what happens when we don't have enough of these connections? What happens when we don't feel like we are part of a community? We become lonely. And this loneliness can harm your health.

As you get older, you may notice that you forget things more often than you used to. This is a normal part of aging. But some older people have memory and thinking problems that aren't just forgetfulness. We call this "MCI." With MCI, you can still take care of yourself and do normal activities. But the changes in your brain may worry you.

This is the most common form of arthritis. It can make your joints feel stiff and painful. It's a common condition that affects men and women. It most often affects older people.

Your brain is divided into left and right halves, called "hemispheres." They specialize in different things. Because of this, a stroke on the right side of your brain can be very different from a stroke on the brain's left side. Let's look at some symptoms of a right brain stroke.

This is a slow down or blockage of the blood that normally flows to part of your brain. When it happens, your brain cells don't get the oxygen and nutrients they need. Within minutes, they begin to die.

Swallowing is a complex process. It begins in your throat, and it ends as food or liquid is pushed into your stomach. A problem at any step along the way can make swallowing hard for you.

This is when you need to urinate often and suddenly. It happens when the muscles that control your bladder have spasms. These spasms can force out urine even when your bladder isn't full. When you feel the need to go, you may have only a few seconds to get to the toilet.

This condition is an inability to hold back urine when pressure or physical stress is placed on the bladder. Stress incontinence can cause embarrassing incidents of wet clothing.