There are many different types headaches. Common headaches and their symptoms include: Migraine headache: The pain is often described as throbbing or pulsing. Sinus headache: The pain is often located around or behind the eyes, across the bridge of the nose and cheeks.
Usually, puberty starts between ages 8 and 13 in girls and ages 9 and 15 in boys. This wide range in ages may help explain why some of your friends still look like young kids whereas others look more like adults.
How is delayed puberty in boys defined? Boys can start puberty at a wide range of ages, with 95% starting between the ages of 9 and 14, so we consider puberty delayed when it has not started by age 14. The earliest sign of puberty in boys is enlargement of the testicles, followed by growth of the penis and pubic hair.