But a man may not have any of these symptoms and still have prostate cancer, says Gerald Chodak, MD, a Chicago urologist and author of Winning the Battle Against Prostate Cancer: Get the Treatment That is Right for You (Demos Health).
I had no idea there was so much discrepancy in opinion. Newborn is 0-3 months. Infant is 3-24months. Toddler is 2 until 4. 4-5 is preschooler. At 8-12 they become a tween. Teen is 13-18. Young adult is 18-29. 30-65 is middle age. 65+ is a senior.
Strictly speaking, a child is a human who has not reached the age of puberty. In legal contexts, a child is generally a person below the age of majority (which is generally 18, but ranges internationally from 15â21). An infant is generally a child under 1 year of age, but definitions vary. Baby is a synonym for infant.