Health topics
Understand conditions, symptoms and conversations with your care team.
What is breast cancer?Breast cancer is a cancer that starts in breast tissue. It happens when cells in the breast change and grow out of control. New cells grow even when you don't need…
What is cervical cancer screening?Cervical cancer is cancer that starts in the cells of the cervix. The cervix is part of the female reproductive system. It is the lower, narrow end of …
What is colorectal cancer?Colorectal cancer is cancer that develops in the tissues of the colon or rectum. Your colon and rectum are part of your digestive system: • Your colon is the f…
Although breast cancer is much more common in women, men can get it too. It happens most often to men between the ages of 60 and 70. Breast lumps usually aren't cancer. However, most me…
What is cancer screening?Cancer is a disease when the cells of the body grow out of control. Cancer screening is having tests to look for signs of cancer before you have any symptoms. B…
What is anxiety?Anxiety is a feeling of fear, dread, and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat. It can be a normal reaction to str…
What is depression?Depression is more than a feeling of being sad or irritable for a few days. It's a serious mood disorder. As one of the most common mental disorders in the United Sta…
What is sleep?While you are sleeping your brain and body functions are still active. Sleep is a natural process that helps your body restore energy, supports learning and memory, and ke…
What is postpartum depression?Having a baby can be exciting, but it can also be stressful and bring many strong emotions. During the postpartum period, which is the time after you give …
Sleep apnea is a common disorder that causes your breathing to stop or get very shallow. Breathing pauses can last from a few seconds to minutes. They may occur 30 times or more an hour…
What is sleep?While you are sleeping your brain and body functions are still active. Sleep is a natural process that helps your body restore energy, supports learning and memory, and ke…
What is depression in teens?Depression in teens (ages 13-17) is a serious medical illness. It's more than just a feeling of being sad or "blue" for a few days. It is an intense feeling …