Ehlers-Danlos syndrome - Symptoms and causes - Mayo Clinic Overview Ehlers-Danlos syndrome is a group of inherited disorders that affect your connective tissues — primarily your skin, joints and blood vessel walls Connective tissue is a complex mixture of proteins and other substances that provide strength and elasticity to the underlying structures in your body
Herd immunity and COVID-19: What you need to know Herd immunity is the name for a point in time when it's hard for a disease to spread through a group of people The idea of herd immunity works for some diseases, such as measles But it's a harder concept to apply to illnesses like coronavirus disease 2019 (COVID-19) Read on to learn how herd
Cáncer de mama positivo para HER2: ¿qué es? - Mayo Clinic Una persona amiga tiene cáncer de mama positivo para HER2 ¿Podrían decirme qué significa esto? El cáncer de mama HER2-positivo es un tipo de cáncer que da un resultado positivo para una proteína llamada receptor 2 del factor de crecimiento epidérmico humano (HER2) Esta proteína fomenta el crecimiento de las células cancerosas