Blood and Lymphatic
What is a Hip Replacement – and What Are Pros and Cons? Hip replacement surgery (total hip arthroplasty) is one of the most successful and life-changing orthopaedic procedures performed today. P...
Sciatic Surgery Options: 5 Pros and 5 Cons When shooting pain, numbness, or weakness from sciatica becomes unbearable, spinal surgery is often considered. While 80% to 90% of sciatica cases resolve wi...
Rectal Bleeding: 10 Common Causes and When to See a Doctor Finding blood when you wipe or seeing it in the toilet bowl can be an alarming experience. While it is often a symptom of a treatable, non-li...
What Does the Hypothalamus Do? (7 Functions) The hypothalamus is a small but incredibly powerful region of the brain. Located just above the brainstem and below the thalamus, it is roughly the size of...
What Does the Pituitary Gland Do? (9 Functions) Clinically Reviewed by Dr. Andrew Stein MD, Consultant Physician. Last updated: April 2026 The pituitary gland is a tiny, pea-sized organ located at the...
What Do the Adrenal Glands? (8 Functions) Clinically Reviewed by Dr. Andrew Stein MD, Consultant Physician. Last updated: April 2026 The adrenal glands are two small, triangle-shaped organs that sit o...
What Does Hair Do? (7 Functions) Human hair is a modified type of skin, primarily composed of a tough protein called keratin. From the fine “peach fuzz” on our arms to the thick locks on o...
What Do the Ears Do? (5 Functions) The human ear is an architectural marvel. While we most commonly associate ears with the sense of hearing, they are equally responsible for our sense of balance and ...
What Does the Nose Do? (7 Functions) While many think of the nose simply as the feature in the center of their face, it is a highly specialized organ and the gateway to the respiratory system. The nos...
What Do the Thyroid and Parathyroid Glands Do? (4 Functions) Clinically Reviewed by Dr. Andrew Stein MD, Consultant Physician. Last updated: April 2026 Located in the front of the neck, the thyroid an...
