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The standard Big Bang theory successfully predicts that the fraction of helium by mass in the primordial universe was 2 percent.
Infants
Very young children, typically under one year of age, who are in the earliest stages of development.
Edentulism
The condition of being without natural teeth, either partially or completely, affecting an individual's ability to eat, speak, and maintain oral health.
Weight Gain
The increase in body weight over time, which can result from a variety of causes including diet, lifestyle, or health conditions.
Taste Changes
Alterations in the ability to perceive flavors, which can be caused by various factors including illness, medications, or aging.
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