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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.