The bubonic plague was the disease that caused the Black Death, which killed tens of millions of people in Europe, in the Middle Ages. Symptoms of this disease include coughing, fever, and black spots on the skin.
In most cases, baby acne will go away on its own within three weeks to three months. If after three months the baby acne shows no signs of improvement, parents should point out the acne at their child's wellness visit to see if there is an underlying skin condition that needs to be addressed.
Girls typically start to get acne when their hormones kick in (approximately 11 to 13 years old), which is about the time that they start their period. Boys start to get acne at the age of approximately 12 years, with a range of 9 to 15 years old.