Cold hands and feet are not just uncomfortable—they can indicate poor circulation. Circulation is the body’s process of delivering oxygen and nutrients from the heart to muscles, skin, and organs.

Cholesterol is a waxy, fat-like substance that’s essential for your body to build healthy cells. The problem arises when you have too much of it, particularly the "bad" type known as LDL cholesterol.

Symptoms of hyperglycemia (high blood glucose) can include increased thirst, hunger, urination, and fatigue. Some symptoms are more severe or rare.