A boy refers to a male child from birth to adulthood. The word "boy" originates from Middle English "boi" and Germanic roots
Condition causing pain, cysts, and lumpy breast tissue. Affects up to 60% of women, most common between 30-50 years. Not associated with cancer, normal breast changes
Calculator uses 6 variables: gender, age, height, weight, parents' heights. Mid-parental method adds/subtracts 5 inches based on gender. Predictions are accurate but not fully explain growth
Nipple and areola colors can vary from pale pink to dark brown. Areola size typically ranges from 3 to 6 centimeters across. Nipple size changes during puberty, menstruation, pregnancy, and breastfeeding
Quiz predicts future height based on 10 questions. Results range from 3 feet to over 4 feet tall. Quiz is based on genetics and lifestyle factors
Height is determined by 60-80% genetics and 20-40% environment. Growth plates close in early twenties, stopping natural height gain. Women typically stop growing around age 18, men around 20