Symptoms and Causes

Overview Hypothyroidism occurs when the thyroid gland produces insufficient thyroid hormone, also known as an underactive thyroid. Early stages of this condition often show no obvious…

What is Hypoglycemia? Hypoglycemia occurs when blood sugar levels drop below normal range. Blood glucose is essential for your body’s energy needs. When levels fall too…

Overview Cushing syndrome occurs when the body has excessive cortisol over an extended period or when someone takes glucocorticoid medications, which have similar effects as cortisol….

Overview Chronic kidney disease involves the gradual decline of kidney function over time. About one in seven American adults have this condition, though many remain unaware…

Overview Addison’s disease, also known as primary adrenal insufficiency, occurs when the adrenal glands produce insufficient amounts of essential hormones. This includes cortisol and often aldosterone….

Overview Lyme disease comes from borrelia bacteria, typically transmitted through tick bites. The ticks carrying this bacteria exist across the United States. The highest infection rates…

Understanding Blood Cancer Leukemia affects the blood-forming parts of the body like bone marrow and the lymphatic system. This type of cancer changes how white blood…

Understanding Stomach Bugs Stomach bugs (viral gastroenteritis) cause symptoms like watery diarrhea, stomach pain, nausea, vomiting, and sometimes fever. People typically catch these infections through contact…

Overview Meniere’s disease is an inner ear condition causing vertigo and hearing loss, typically affecting just one ear. This chronic disorder can develop at any age,…

Heart Rate Disorders When your heart beats faster than 100 beats per minute, doctors call this tachycardia. While sometimes normal during exercise or stress, it can…