|
|
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
![Humpbacks frequently breach, throwing two thirds or more of their bodies out of the water and splash](https://biology-forums.com/gallery/47/medium_27599_22_04_12_6_37_37.jpeg)
![Killer whales, like this one spotted near Alaska, commonly breach, often lifting their entire bodies](https://biology-forums.com/gallery/47/medium_27599_22_04_12_6_57_26.jpeg)