Varicose veins occur when blood pools in the veins as it tries to return to the heart to pick up fresh oxygen. They are common in people's legs as they age and can be irritating and often painful. We discuss some essential oils and other treatments that may ease symptoms and reduce the appearance of varicose veins.
Seeing blood in sputum or mucus can be worrying, but it is usually not a cause for concern. If a person is young or generally healthy, these traces of blood are often caused by a mild infection or bronchitis. In serious cases, they can indicate a severe infection or lung cancer. Learn about causes and treatments here.
A recent study looks at the links between the immune system, gut bacteria, and autism spectrum disorders. It uncovers some interesting interactions.