About Half An Inch A Month. The primary component of hair fiber is the protein known as keratin.
More Health Trivia
Farsightedness. The cause of hyperopia is usually genetic.
Around The Eye. The nasolacrimal ducts are commonly known as the tear ducts.
60 Minutes. According to the World Health Organization, more than 80% of the world's adolescent population is insufficiently physically active.
Capillaries. The human body has about 25,000 miles of capillaries.
60%. Obesity is caused by consuming more calories than are burned off.
Bilirubin. Bilirubin levels can be measured by blood tests.