The bacteria Mycobacteria tuberculosis causes tuberculosis. Although tuberculosis, or TB, primarily affects the lungs, it can spread through the blood stream to other sites, a circumstance called extrapulmonary or disseminated tuberculosis.

The upper back contains two segments of the backbone, known as the cervical and thoracic spine. Multiple nerves come out of the spine in the upper back and can become compressed or pinched. A slipped disc or pressure from nearby muscles and tendons can compress nerves.

Pain at the top of your calf can occur for a variety of reasons, ranging from harmless and to potentially life-threatening conditions. Here's what you need to know about the causes of this symptom.

The left back and shoulder region includes many structures that can cause pain, including your shoulder joint, ribs, shoulder blade and various muscles, tendons, ligaments and nerves. Pain in the left back and posterior shoulder can caused by injuries, including joint sprains and muscle strains.

Your belly button is located directly in front of your lower-digestive system, and its pain could be sign of a digestive health condition. The most probable causes of belly button pain after eating include gas pains, a stomach ulcer and food intolerances. Candidiasis or a hernia are also possibilities.

When there is a break, laceration or incision in the skin, a large number of bacteria — especially the bacteria that normally colonize the skin — can enter the body and cause infection.

Even if you’re not a breast cancer survivor, you can help women recovering from breast cancer surgery. Buy any Athleta bra from Oct 2-15 and the company will donate an Empower Bra to UCSF’s Helen Diller Family Comprehensive Cancer Center, up to a maximum of 2,500 bras.

This is what living with cancer is like. It’s not living “in spite” of cancer, or “through” cancer, or “above” cancer. It’s having it. And it’s also having all the other stuff too, the stuff that makes life rich and fun and hard.

It shouldn’t take surviving stage three triple negative breast cancer to make you live every day like it’s your last.

Here's what it feels like to go to the doctor when you’re pretty sure you have breast cancer. You have to leave the solid ground of before. You have to leap into after. Your life depends on it.

I learned that while you can’t “catch” cancer, I have what’s called a cancer history, meaning there was a chance I might carry the BRCA gene mutation — something that greatly increases the likelihood of getting the disease.

Paige More, 26, underwent a preventative double mastectomy in January 2017 after testing positive for the BRCA1 gene mutation.