Cells need oxygen to continue to live. Strokes happen when there is a lack of oxygen to the brain due to either blood being blocked from getting to the brain or a broken artery (the tubes where blood travel) to the brain. Signs of a stroke include loss of speech, weakness, or being unable to move one side of the body.

Tinnitus is when you hear a noise or ringing in your ears even though there is nothing around you making that noise.

Diabetes is happens because your body can't process sugar properly, and your blood sugar levels are higher than normal.

Blood pressure is the pressure the of blood against the blood vessel walls. The heart has to work harder to get blood around the body, and this can cause problems such as heart attacks and strokes.

Cancer is a group of diseases in which cells grow and divide uncontrollably. This cell growth can spread to other parts of the body.