Intermittent. Some people with depression have intermittent symptoms.

Migraine Headache. Headaches are the most reported cause of pain.

Bronchospasm. Bronchospasms are features of asthma attacks, bronchitis and anaphylactic shock and a side effect of beta blocker usage.

Twice As Many. A gram of fat, at 9 calories, has just over twice as many calories as a gram of carbohydrate or protein (4 calories).

95000. If laid end to end, the blood vessels in the average human body would encircle the earth two times.

15. Blinking provides moisture to the eye and protects it from irritants.