Although there are several types of headaches, migraine and tension headaches affect the most people. When you have a headache, it isn't your brain that's hurting. Irritated nerves send pain signals to the brain, which identifies where you hurt and how bad the pain is.

An emergency means you could die if you don't get care quickly. Or you could be hurt permanently. Read below to know when to use, and when not to use, an emergency room.

The best prevention is to not have contact with the COVID-19 virus. Read on about vaccines and other ways to protect yourself and others.

2019 Novel Coronavirus (2019-nCoV), also known as COVID-19, is a virus that causes a respiratory illness. Here's what you need to know to protect yourself.

Osteomyelitis is an infection of a bone by a germ (bacteria or fungus). In children, infection in the long bones of the arms and legs are most common. Read on to learn more about this condition, including symptoms, diagnosis, and treatment.

Nasal surgery may be done at your healthcare provider's office, a surgery center, or a hospital. Follow any directions your healthcare provider gives you for how to get ready.

Varicella vaccine can prevent varicella. Varicella, also called “chickenpox,” causes an itchy rash that usually lasts about a week. It can also cause fever, tiredness, loss of appetite, and headache.

Td vaccine can prevent tetanus and diphtheria. Tetanus enters the body through cuts or wounds. Diphtheria spreads from person to person.

RSV vaccine can prevent lower respiratory tract disease caused by respiratory syncytial virus (RSV). RSV can cause illness in people of all ages but may be especially serious for infants and older adults.