... to all us first borns

"If You're the Oldest...You may have a higher IQ than your younger siblings, but you're also more likely to have allergies and asthma. A Norwegian study of over 240,000 males found that eldest children had average IQ scores about 3 percent higher than second-born and 4 percent higher than third-born children. Firstborns have higher odds of developing asthma and allergies because of different conditions they experience in the uterus, according to research from the Isle of Wight in the United Kingdom, presented at the American Thoracic Society's 2008 International Conference. "

--taken from today's AOL "In Lifestyle" main article