A stroke occurs when there is a reduction in the flow of blood to the brain. The lack of blood supply may be the result of a blockage in an artery or a burst blood vessel in the brain. A stroke deprives brain tissue of oxygen and nutrients, causing brain cells to die. A stroke is a medical emergency and requires immediate attention by a medical professional.

Hypothyroidism is a common condition that occurs when an underactive thyroid gland does not produce enough hormones to properly manage many important functions of the body. The thyroid is the gland in the front of the neck that controls energy use and metabolic functions.

High blood pressure, also known as hypertension, occurs when the pressure of the blood flowing against the artery walls is above the normal range. Blood pressure is determined by the amount of blood the heart pumps and the blood flow resistance in the arteries.

Migraines are chronic headaches that cause intense pain, and throbbing or pulsing sensations in the head. Along with severe head pain, some people also experience nausea, vomiting, and sensitivity to light and sound.

Diabetes is the inability of the body to create or use insulin, a hormone secreted by the pancreas that enables sugar or glucose, to enter the cells. Diabetes is a serious, chronic metabolic disorder in which the body either does not produce enough insulin or does not respond to the insulin being produced.

Chronic obstructive pulmonary disease, also known as COPD, is a lung disease that obstructs airflow. It is a progressive condition involving a constant obstruction of the airways, which results in difficulty breathing.

Constipation affects most people at some point in time. A person is considered to be constipated if they have three or fewer bowel movements in a week or if they do have a bowel movement they are hard, dry or painful.

Cholesterol is produced by the liver, the intestines and nearly all tissues in the body. Cholesterol is needed for the production of hormones, vitamin D and the bile necessary to digest the fats in food. Cholesterol also protects cell membranes from changes in temperature.

Osteoporosis is a condition that causes the bones to become weak and brittle and at a high risk for fracture.

Arthritis is a condition that causes pain, stiffness and swelling in the joints. Osteoarthritis is a common form of arthritis caused by the wearing down of the cartilage that protects the bones of a joint.

Asthma is a condition in which the lungs and air passages become inflamed and constricted, interfering with normal breathing.