Mindblown: a blog about philosophy.

Arthritis affects 54 millionTrusted Source adults in the United States, which is about 1 in 5 people. It is more common among adults 65 yearsTrusted Source or older. However, it can affect people of all ages, including children. This article discusses the different types of arthritis, what causes it, the symptoms, and possible treatments.Bisual Studio/Stocksy What is arthritis? Arthritis…

Structure of blood and blood vessels Blood is carried through three different types of blood vessels in the body: All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and…

Chronic obstructive pulmonary disease (COPD) is a chronic disease characterized by shortness of breath, cough and sputum production. While symptoms of the disease do not usually appear in people younger than age 55 years, changes to the lung begin many years earlier. COPD is an umbrella term for a number of diseases which include chronic bronchitis and…