Blood pressure is one of the many things affected physiologically when you exercise. Blood pressure is the pressure made by the blood against the arterial walls during contraction and relaxation of the heart.

Approximately 3 million teenagers wear braces, according to research by toothpaste manufacturer Colgate. These orthodontic devices are used to correct tooth and jaw alignment, including overbites, underbites, crossbites and crowding. Metal brackets connected to a wire are mounted to the rear molars.

Donating blood is often described as giving the gift of life. While you may lose a little weight and burn some calories during a donation, giving blood should not be thought of as a weight loss tool. Think of it as a chance to help others in need.

Systolic blood pressure is the first number recorded in a blood pressure and is the top number. The measurement is a vital indicator of your health status. When diagnosed with hypertension, commonly known as high blood pressure, this number will be elevated.

Systolic blood pressure is the first number heard with a stethoscope or displayed on a digital blood pressure machine when a blood pressure reading is being performed. It is the top number of a blood pressure reading.

Metoprolol tartrate (Lopressor) is a medicine most commonly used to treat high blood pressure. It belongs to a group of medicines called beta-blockers. Metoprolol works by relaxing blood vessels and slowing the heart rate.

About one-third of Americans have high blood pressure, reports the Centers for Disease Control and Prevention. High blood pressure increases your risk for the two leading causes of death in the United States -- heart disease and stroke.

A blood pressure cuff is a device used to measure the force of the blood in the veins and arteries. At rest, the force of blood flow is constant and, in healthy individuals, ranges between 110/70 and 120/80. The larger number is the systolic number--the force of blood as the heart contracts.

Headaches during or after exercise can be due to a variety of factors. In some cases, exercise itself is the cause of a headache, which is appropriately referred to as an exercise headache. Some exercise headaches are harmless, but others may be caused by serious problems with your heart or blood vessels.

According to statistics published by the American Heart Association (AHA), roughly 74 million people in the United States over the age of 20 have hypertension, a health condition responsible for approximately 60,000 deaths per year.

Diastolic blood pressure is the force of the blood pushing against the artery walls when the heart is at rest, MedlinePlus says. High diastolic blood pressure almost always accompanies a high systolic pressure and is indicative of pre-hypertension or hypertension, commonly known as high blood pressure.

The effects of some medications can be increased or decreased when they are taken with certain foods. Although grapefruit juice interacts with many medications, it does not affect beta blockers.