Apr 9, 2024 · HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.

Nov 12, 2024 · Diverticulitis is the name given to inflamed pockets formed by the wall of the large intestine. The pockets, called diverticula, bubble through the intestine's wall. When the …

Oct 31, 2024 · Breast cancer types include ductal carcinoma and lobular carcinoma. Learn about these and other types of breast cancer.

Aug 10, 2023 · Stress symptoms can affect your body, your thoughts and feelings, and your behavior. Knowing common stress symptoms can help you manage them. Stress that's not …

Jun 13, 2020 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, …

Dr. Fransoua F. Her, M.D., Ph.D., is a distinguished physician at Mayo Clinic specializing in advanced medical care and research.

Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.

Nov 1, 2024 · Multiple sclerosis is a disease that causes breakdown of the protective covering of nerves. Multiple sclerosis can cause numbness, weakness, trouble walking, vision changes …

Jul 31, 2024 · Dysphagia can happen at any age, but it's more common in older adults. The causes of swallowing problems vary, and treatment depends on the cause.

Jul 18, 2025 · A herniated disk, which can occur in any part of the spine, most often occurs in the lower back. Depending on where the herniated disk is, it can result in pain, numbness or …