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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
There are more bacteria in your mouth than there are people in the world.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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.
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