Probiotics and prebiotics: What you should know - Mayo Clinic Probiotics and prebiotics are two parts of food that may support gut health Probiotics are specific living microorganisms, most often bacteria or yeast that help the body digest food or help with symptoms of certain illnesses Probiotics are naturally found in fermented foods such as yogurt and sauerkraut
Norovirus infection - Symptoms causes - Mayo Clinic Norovirus infection can cause severe vomiting and diarrhea that start suddenly Noroviruses are highly contagious They commonly spread through food or water that is contaminated during preparation or through contaminated surfaces Noroviruses can also spread through close contact with a person who has norovirus infection Diarrhea, stomach pain and vomiting typically begin 12 to 48 hours
Stroke - Symptoms and causes - Mayo Clinic An ischemic stroke occurs when the blood supply to part of the brain is blocked or reduced This prevents brain tissue from getting oxygen and nutrients Brain cells begin to die in minutes Another type of stroke is a hemorrhagic stroke It occurs when a blood vessel in the brain leaks or bursts and causes bleeding in the brain The blood increases pressure on brain cells and damages them