Medically reviewed by Amelia MacIntyre, DO There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative.Knowing your blood type is important for safe blood ...

Kidney stones are solid deposits of minerals that can form in the kidneys, also known as renal calculi. They can be made up of various types of crystals, with the most abundant crystal determining the ...

Chronic types of leukemia tend to affect middle-aged to older adults, while acute versions mostly affect children and young adults. CML, CLL, and AML are fairly common types of leukemia affecting ...

Since the first time somebody figured out that they could propel an object out the end of a crudely-fashioned iron tube by igniting a concoction of sulfur, charcoal, and piss, humankind has strived to ...

Bodies come in different shapes and sizes, influenced by a person’s frame and composition. Different body types include triangle, rectangle, hourglass, ectomorph, mesomorph, and endomorph. Different ...

Whether your hair type is coily, curly, wavy, straight, or somewhere in between—your strands are beautiful. But, being able to answer the question: What is my hair type? is invaluable for not only ...

Everyone has a different style of learning. Some people do well with reading the written word. Others learn better through audio. For some, sitting in a quiet library or home office space is key. For ...

Rachel is a home improvement writer and content editor. In addition to being a contributing writer at Forbes, she writes for small businesses and creative agencies. She uses her home improvement ...

Geraldine has over a decade of experience writing within the home improvement sector. Additionally, she has unique first-hand renovation experience as the previous owner of a house-flipping business.